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Finding the Fourth Proportional to 542,307.87, 747,996.26 and 358,333.35

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Solution

The fourth proportional to 542,307.87, 747,996.26 and 358,333.35 is: 494,243.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,307.87 : 747,996.26 = 358,333.35 : x
  2. Step 2: Convert to fraction form
    542,307.87/747,996.26 = 358,333.35/x
  3. Step 3: Cross multiply
    542,307.87x = 747,996.26 × 358,333.35
  4. Step 4: Simplify right side
    542,307.87x = 268,032,003,841.60
  5. Step 5: Solve for x
    x = 268,032,003,841.60/542,307.87
  6. Step 6: Final answer
    x = 494,243.25

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1.5x scale

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.