Home / 719,802.90-1,080,076.95-293,651.10

Finding the Fourth Proportional to 719,802.90, 1,080,076.95 and 293,651.10

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Solution

The fourth proportional to 719,802.90, 1,080,076.95 and 293,651.10 is: 440,628.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,802.90 : 1,080,076.95 = 293,651.10 : x
  2. Step 2: Convert to fraction form
    719,802.90/1,080,076.95 = 293,651.10/x
  3. Step 3: Cross multiply
    719,802.90x = 1,080,076.95 × 293,651.10
  4. Step 4: Simplify right side
    719,802.90x = 317,165,784,452.15
  5. Step 5: Solve for x
    x = 317,165,784,452.15/719,802.90
  6. Step 6: Final answer
    x = 440,628.66

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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.