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Finding the Fourth Proportional to 692,078.68, 954,471.90 and 450,272.92

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Solution

The fourth proportional to 692,078.68, 954,471.90 and 450,272.92 is: 620,988.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,078.68 : 954,471.90 = 450,272.92 : x
  2. Step 2: Convert to fraction form
    692,078.68/954,471.90 = 450,272.92/x
  3. Step 3: Cross multiply
    692,078.68x = 954,471.90 × 450,272.92
  4. Step 4: Simplify right side
    692,078.68x = 429,772,849,470.95
  5. Step 5: Solve for x
    x = 429,772,849,470.95/692,078.68
  6. Step 6: Final answer
    x = 620,988.43

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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.