Home / 879,437.80-1,318,184.70-346,781.80

Finding the Fourth Proportional to 879,437.80, 1,318,184.70 and 346,781.80

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Solution

The fourth proportional to 879,437.80, 1,318,184.70 and 346,781.80 is: 519,789.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,437.80 : 1,318,184.70 = 346,781.80 : x
  2. Step 2: Convert to fraction form
    879,437.80/1,318,184.70 = 346,781.80/x
  3. Step 3: Cross multiply
    879,437.80x = 1,318,184.70 × 346,781.80
  4. Step 4: Simplify right side
    879,437.80x = 457,122,462,998.46
  5. Step 5: Solve for x
    x = 457,122,462,998.46/879,437.80
  6. Step 6: Final answer
    x = 519,789.42

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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.