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Finding the Fourth Proportional to 602,175.56, 903,319.23 and 429,788.93

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Solution

The fourth proportional to 602,175.56, 903,319.23 and 429,788.93 is: 644,723.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,175.56 : 903,319.23 = 429,788.93 : x
  2. Step 2: Convert to fraction form
    602,175.56/903,319.23 = 429,788.93/x
  3. Step 3: Cross multiply
    602,175.56x = 903,319.23 × 429,788.93
  4. Step 4: Simplify right side
    602,175.56x = 388,236,598,644.58
  5. Step 5: Solve for x
    x = 388,236,598,644.58/602,175.56
  6. Step 6: Final answer
    x = 644,723.28

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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.