Home / 719,136.20-1,078,445.10-364,032.20

Finding the Fourth Proportional to 719,136.20, 1,078,445.10 and 364,032.20

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Solution

The fourth proportional to 719,136.20, 1,078,445.10 and 364,032.20 is: 545,917.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,136.20 : 1,078,445.10 = 364,032.20 : x
  2. Step 2: Convert to fraction form
    719,136.20/1,078,445.10 = 364,032.20/x
  3. Step 3: Cross multiply
    719,136.20x = 1,078,445.10 × 364,032.20
  4. Step 4: Simplify right side
    719,136.20x = 392,588,742,332.22
  5. Step 5: Solve for x
    x = 392,588,742,332.22/719,136.20
  6. Step 6: Final answer
    x = 545,917.09

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.