Home / 813,565.89-1,122,602.69-450,989.44

Finding the Fourth Proportional to 813,565.89, 1,122,602.69 and 450,989.44

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Solution

The fourth proportional to 813,565.89, 1,122,602.69 and 450,989.44 is: 622,299.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,565.89 : 1,122,602.69 = 450,989.44 : x
  2. Step 2: Convert to fraction form
    813,565.89/1,122,602.69 = 450,989.44/x
  3. Step 3: Cross multiply
    813,565.89x = 1,122,602.69 × 450,989.44
  4. Step 4: Simplify right side
    813,565.89x = 506,281,956,826.56
  5. Step 5: Solve for x
    x = 506,281,956,826.56/813,565.89
  6. Step 6: Final answer
    x = 622,299.88

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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.