Home / 730,531.35-1,008,130.31-408,241.35

Finding the Fourth Proportional to 730,531.35, 1,008,130.31 and 408,241.35

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Solution

The fourth proportional to 730,531.35, 1,008,130.31 and 408,241.35 is: 563,371.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,531.35 : 1,008,130.31 = 408,241.35 : x
  2. Step 2: Convert to fraction form
    730,531.35/1,008,130.31 = 408,241.35/x
  3. Step 3: Cross multiply
    730,531.35x = 1,008,130.31 × 408,241.35
  4. Step 4: Simplify right side
    730,531.35x = 411,560,476,689.11
  5. Step 5: Solve for x
    x = 411,560,476,689.11/730,531.35
  6. Step 6: Final answer
    x = 563,371.41

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Double scale
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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.