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Finding the Fourth Proportional to 670,061.58, 924,900.48 and 428,993.44

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Solution

The fourth proportional to 670,061.58, 924,900.48 and 428,993.44 is: 592,148.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,061.58 : 924,900.48 = 428,993.44 : x
  2. Step 2: Convert to fraction form
    670,061.58/924,900.48 = 428,993.44/x
  3. Step 3: Cross multiply
    670,061.58x = 924,900.48 × 428,993.44
  4. Step 4: Simplify right side
    670,061.58x = 396,776,238,572.85
  5. Step 5: Solve for x
    x = 396,776,238,572.85/670,061.58
  6. Step 6: Final answer
    x = 592,148.92

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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.