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Finding the Fourth Proportional to 609,345.72, 840,886.80 and 337,407.72

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Solution

The fourth proportional to 609,345.72, 840,886.80 and 337,407.72 is: 465,616.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,345.72 : 840,886.80 = 337,407.72 : x
  2. Step 2: Convert to fraction form
    609,345.72/840,886.80 = 337,407.72/x
  3. Step 3: Cross multiply
    609,345.72x = 840,886.80 × 337,407.72
  4. Step 4: Simplify right side
    609,345.72x = 283,721,697,966.10
  5. Step 5: Solve for x
    x = 283,721,697,966.10/609,345.72
  6. Step 6: Final answer
    x = 465,616.95

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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.