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Finding the Fourth Proportional to 530,890, 732,628.24 and 292,426

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Solution

The fourth proportional to 530,890, 732,628.24 and 292,426 is: 403,547.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,890 : 732,628.24 = 292,426 : x
  2. Step 2: Convert to fraction form
    530,890/732,628.24 = 292,426/x
  3. Step 3: Cross multiply
    530,890x = 732,628.24 × 292,426
  4. Step 4: Simplify right side
    530,890x = 214,239,545,710.24
  5. Step 5: Solve for x
    x = 214,239,545,710.24/530,890
  6. Step 6: Final answer
    x = 403,547.90

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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.