Home / 856,834.40-1,285,251.60-502,248.80

Finding the Fourth Proportional to 856,834.40, 1,285,251.60 and 502,248.80

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Solution

The fourth proportional to 856,834.40, 1,285,251.60 and 502,248.80 is: 753,373.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,834.40 : 1,285,251.60 = 502,248.80 : x
  2. Step 2: Convert to fraction form
    856,834.40/1,285,251.60 = 502,248.80/x
  3. Step 3: Cross multiply
    856,834.40x = 1,285,251.60 × 502,248.80
  4. Step 4: Simplify right side
    856,834.40x = 645,516,073,798.08
  5. Step 5: Solve for x
    x = 645,516,073,798.08/856,834.40
  6. Step 6: Final answer
    x = 753,373.20

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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.