Home / 670,057.83-924,895.30-428,989.68

Finding the Fourth Proportional to 670,057.83, 924,895.30 and 428,989.68

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Solution

The fourth proportional to 670,057.83, 924,895.30 and 428,989.68 is: 592,143.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,057.83 : 924,895.30 = 428,989.68 : x
  2. Step 2: Convert to fraction form
    670,057.83/924,895.30 = 428,989.68/x
  3. Step 3: Cross multiply
    670,057.83x = 924,895.30 × 428,989.68
  4. Step 4: Simplify right side
    670,057.83x = 396,770,542,165.22
  5. Step 5: Solve for x
    x = 396,770,542,165.22/670,057.83
  6. Step 6: Final answer
    x = 592,143.73

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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.