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Finding the Fourth Proportional to 650,792.43, 976,818.35 and 314,070.12

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Solution

The fourth proportional to 650,792.43, 976,818.35 and 314,070.12 is: 471,409.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,792.43 : 976,818.35 = 314,070.12 : x
  2. Step 2: Convert to fraction form
    650,792.43/976,818.35 = 314,070.12/x
  3. Step 3: Cross multiply
    650,792.43x = 976,818.35 × 314,070.12
  4. Step 4: Simplify right side
    650,792.43x = 306,789,456,402.70
  5. Step 5: Solve for x
    x = 306,789,456,402.70/650,792.43
  6. Step 6: Final answer
    x = 471,409.07

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1.5x scale

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.