Home / 813,397.34-1,122,555.51-450,934.90

Finding the Fourth Proportional to 813,397.34, 1,122,555.51 and 450,934.90

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Solution

The fourth proportional to 813,397.34, 1,122,555.51 and 450,934.90 is: 622,327.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,397.34 : 1,122,555.51 = 450,934.90 : x
  2. Step 2: Convert to fraction form
    813,397.34/1,122,555.51 = 450,934.90/x
  3. Step 3: Cross multiply
    813,397.34x = 1,122,555.51 × 450,934.90
  4. Step 4: Simplify right side
    813,397.34x = 506,199,453,839.91
  5. Step 5: Solve for x
    x = 506,199,453,839.91/813,397.34
  6. Step 6: Final answer
    x = 622,327.40

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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.