Home / 817,725.60-1,226,588.40-418,233.60

Finding the Fourth Proportional to 817,725.60, 1,226,588.40 and 418,233.60

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Solution

The fourth proportional to 817,725.60, 1,226,588.40 and 418,233.60 is: 627,350.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,725.60 : 1,226,588.40 = 418,233.60 : x
  2. Step 2: Convert to fraction form
    817,725.60/1,226,588.40 = 418,233.60/x
  3. Step 3: Cross multiply
    817,725.60x = 1,226,588.40 × 418,233.60
  4. Step 4: Simplify right side
    817,725.60x = 513,000,482,250.24
  5. Step 5: Solve for x
    x = 513,000,482,250.24/817,725.60
  6. Step 6: Final answer
    x = 627,350.40

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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.