Home / 634,275.28-875,759.10-408,314.44

Finding the Fourth Proportional to 634,275.28, 875,759.10 and 408,314.44

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Solution

The fourth proportional to 634,275.28, 875,759.10 and 408,314.44 is: 563,769.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,275.28 : 875,759.10 = 408,314.44 : x
  2. Step 2: Convert to fraction form
    634,275.28/875,759.10 = 408,314.44/x
  3. Step 3: Cross multiply
    634,275.28x = 875,759.10 × 408,314.44
  4. Step 4: Simplify right side
    634,275.28x = 357,585,086,491.40
  5. Step 5: Solve for x
    x = 357,585,086,491.40/634,275.28
  6. Step 6: Final answer
    x = 563,769.55

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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.