Home / 749,488.80-1,123,844.40-275,930.40

Finding the Fourth Proportional to 749,488.80, 1,123,844.40 and 275,930.40

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Solution

The fourth proportional to 749,488.80, 1,123,844.40 and 275,930.40 is: 413,752.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,488.80 : 1,123,844.40 = 275,930.40 : x
  2. Step 2: Convert to fraction form
    749,488.80/1,123,844.40 = 275,930.40/x
  3. Step 3: Cross multiply
    749,488.80x = 1,123,844.40 × 275,930.40
  4. Step 4: Simplify right side
    749,488.80x = 310,102,834,829.76
  5. Step 5: Solve for x
    x = 310,102,834,829.76/749,488.80
  6. Step 6: Final answer
    x = 413,752.46

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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.