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Finding the Fourth Proportional to 602,780.28, 904,327.99 and 349,817.59

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Solution

The fourth proportional to 602,780.28, 904,327.99 and 349,817.59 is: 524,817.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,780.28 : 904,327.99 = 349,817.59 : x
  2. Step 2: Convert to fraction form
    602,780.28/904,327.99 = 349,817.59/x
  3. Step 3: Cross multiply
    602,780.28x = 904,327.99 × 349,817.59
  4. Step 4: Simplify right side
    602,780.28x = 316,349,837,156.80
  5. Step 5: Solve for x
    x = 316,349,837,156.80/602,780.28
  6. Step 6: Final answer
    x = 524,817.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.