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Finding the Fourth Proportional to 569,946.31, 786,335.91 and 337,385.59

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Solution

The fourth proportional to 569,946.31, 786,335.91 and 337,385.59 is: 465,479.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,946.31 : 786,335.91 = 337,385.59 : x
  2. Step 2: Convert to fraction form
    569,946.31/786,335.91 = 337,385.59/x
  3. Step 3: Cross multiply
    569,946.31x = 786,335.91 × 337,385.59
  4. Step 4: Simplify right side
    569,946.31x = 265,298,401,001.86
  5. Step 5: Solve for x
    x = 265,298,401,001.86/569,946.31
  6. Step 6: Final answer
    x = 465,479.64

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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.