Home / 730,743.40-1,096,115.10-257,962.60

Finding the Fourth Proportional to 730,743.40, 1,096,115.10 and 257,962.60

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Solution

The fourth proportional to 730,743.40, 1,096,115.10 and 257,962.60 is: 386,943.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,743.40 : 1,096,115.10 = 257,962.60 : x
  2. Step 2: Convert to fraction form
    730,743.40/1,096,115.10 = 257,962.60/x
  3. Step 3: Cross multiply
    730,743.40x = 1,096,115.10 × 257,962.60
  4. Step 4: Simplify right side
    730,743.40x = 282,756,701,095.26
  5. Step 5: Solve for x
    x = 282,756,701,095.26/730,743.40
  6. Step 6: Final answer
    x = 386,943.90

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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.