Home / 749,006.40-1,123,655.40-322,541.40

Finding the Fourth Proportional to 749,006.40, 1,123,655.40 and 322,541.40

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Solution

The fourth proportional to 749,006.40, 1,123,655.40 and 322,541.40 is: 483,874.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,006.40 : 1,123,655.40 = 322,541.40 : x
  2. Step 2: Convert to fraction form
    749,006.40/1,123,655.40 = 322,541.40/x
  3. Step 3: Cross multiply
    749,006.40x = 1,123,655.40 × 322,541.40
  4. Step 4: Simplify right side
    749,006.40x = 362,425,385,833.56
  5. Step 5: Solve for x
    x = 362,425,385,833.56/749,006.40
  6. Step 6: Final answer
    x = 483,874.89

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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.