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Finding the Fourth Proportional to 536,841.02, 740,859.66 and 307,439.30

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Solution

The fourth proportional to 536,841.02, 740,859.66 and 307,439.30 is: 424,277.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,841.02 : 740,859.66 = 307,439.30 : x
  2. Step 2: Convert to fraction form
    536,841.02/740,859.66 = 307,439.30/x
  3. Step 3: Cross multiply
    536,841.02x = 740,859.66 × 307,439.30
  4. Step 4: Simplify right side
    536,841.02x = 227,769,371,564.34
  5. Step 5: Solve for x
    x = 227,769,371,564.34/536,841.02
  6. Step 6: Final answer
    x = 424,277.14

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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.