Home / 832,123.20-1,247,142.84-446,925.46

Finding the Fourth Proportional to 832,123.20, 1,247,142.84 and 446,925.46

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Solution

The fourth proportional to 832,123.20, 1,247,142.84 and 446,925.46 is: 669,828.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,123.20 : 1,247,142.84 = 446,925.46 : x
  2. Step 2: Convert to fraction form
    832,123.20/1,247,142.84 = 446,925.46/x
  3. Step 3: Cross multiply
    832,123.20x = 1,247,142.84 × 446,925.46
  4. Step 4: Simplify right side
    832,123.20x = 557,379,887,379.53
  5. Step 5: Solve for x
    x = 557,379,887,379.53/832,123.20
  6. Step 6: Final answer
    x = 669,828.56

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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.