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Finding the Fourth Proportional to 652,652.92, 900,646.86 and 377,011

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Solution

The fourth proportional to 652,652.92, 900,646.86 and 377,011 is: 520,266.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,652.92 : 900,646.86 = 377,011 : x
  2. Step 2: Convert to fraction form
    652,652.92/900,646.86 = 377,011/x
  3. Step 3: Cross multiply
    652,652.92x = 900,646.86 × 377,011
  4. Step 4: Simplify right side
    652,652.92x = 339,553,773,335.46
  5. Step 5: Solve for x
    x = 339,553,773,335.46/652,652.92
  6. Step 6: Final answer
    x = 520,266.99

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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.