Home / 706,254.83-974,588.01-396,140.36

Finding the Fourth Proportional to 706,254.83, 974,588.01 and 396,140.36

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Solution

The fourth proportional to 706,254.83, 974,588.01 and 396,140.36 is: 546,649.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,254.83 : 974,588.01 = 396,140.36 : x
  2. Step 2: Convert to fraction form
    706,254.83/974,588.01 = 396,140.36/x
  3. Step 3: Cross multiply
    706,254.83x = 974,588.01 × 396,140.36
  4. Step 4: Simplify right side
    706,254.83x = 386,073,644,256.68
  5. Step 5: Solve for x
    x = 386,073,644,256.68/706,254.83
  6. Step 6: Final answer
    x = 546,649.21

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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.