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Finding the Fourth Proportional to 656,579.70, 984,869.55 and 282,602.70

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Solution

The fourth proportional to 656,579.70, 984,869.55 and 282,602.70 is: 423,904.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,579.70 : 984,869.55 = 282,602.70 : x
  2. Step 2: Convert to fraction form
    656,579.70/984,869.55 = 282,602.70/x
  3. Step 3: Cross multiply
    656,579.70x = 984,869.55 × 282,602.70
  4. Step 4: Simplify right side
    656,579.70x = 278,326,793,977.79
  5. Step 5: Solve for x
    x = 278,326,793,977.79/656,579.70
  6. Step 6: Final answer
    x = 423,904.05

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Similar ratio
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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.