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Finding the Fourth Proportional to 927,221.52, 1,390,763.16 and 296,202

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Solution

The fourth proportional to 927,221.52, 1,390,763.16 and 296,202 is: 444,280.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,221.52 : 1,390,763.16 = 296,202 : x
  2. Step 2: Convert to fraction form
    927,221.52/1,390,763.16 = 296,202/x
  3. Step 3: Cross multiply
    927,221.52x = 1,390,763.16 × 296,202
  4. Step 4: Simplify right side
    927,221.52x = 411,946,829,518.32
  5. Step 5: Solve for x
    x = 411,946,829,518.32/927,221.52
  6. Step 6: Final answer
    x = 444,280.92

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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.