Home / 918,648.04-1,377,882.96-278,957.32

Finding the Fourth Proportional to 918,648.04, 1,377,882.96 and 278,957.32

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Solution

The fourth proportional to 918,648.04, 1,377,882.96 and 278,957.32 is: 418,408.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,648.04 : 1,377,882.96 = 278,957.32 : x
  2. Step 2: Convert to fraction form
    918,648.04/1,377,882.96 = 278,957.32/x
  3. Step 3: Cross multiply
    918,648.04x = 1,377,882.96 × 278,957.32
  4. Step 4: Simplify right side
    918,648.04x = 384,370,537,795.27
  5. Step 5: Solve for x
    x = 384,370,537,795.27/918,648.04
  6. Step 6: Final answer
    x = 418,408.92

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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.