Home / 730,430.48-1,008,033-408,148.40

Finding the Fourth Proportional to 730,430.48, 1,008,033 and 408,148.40

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Solution

The fourth proportional to 730,430.48, 1,008,033 and 408,148.40 is: 563,266.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,430.48 : 1,008,033 = 408,148.40 : x
  2. Step 2: Convert to fraction form
    730,430.48/1,008,033 = 408,148.40/x
  3. Step 3: Cross multiply
    730,430.48x = 1,008,033 × 408,148.40
  4. Step 4: Simplify right side
    730,430.48x = 411,427,056,097.20
  5. Step 5: Solve for x
    x = 411,427,056,097.20/730,430.48
  6. Step 6: Final answer
    x = 563,266.55

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.