Home / 888,686.10-1,333,223.55-289,545.30

Finding the Fourth Proportional to 888,686.10, 1,333,223.55 and 289,545.30

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Solution

The fourth proportional to 888,686.10, 1,333,223.55 and 289,545.30 is: 434,381.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,686.10 : 1,333,223.55 = 289,545.30 : x
  2. Step 2: Convert to fraction form
    888,686.10/1,333,223.55 = 289,545.30/x
  3. Step 3: Cross multiply
    888,686.10x = 1,333,223.55 × 289,545.30
  4. Step 4: Simplify right side
    888,686.10x = 386,028,612,751.82
  5. Step 5: Solve for x
    x = 386,028,612,751.82/888,686.10
  6. Step 6: Final answer
    x = 434,381.29

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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.