Home / 879,117.17-1,318,624.72-339,267.84

Finding the Fourth Proportional to 879,117.17, 1,318,624.72 and 339,267.84

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Solution

The fourth proportional to 879,117.17, 1,318,624.72 and 339,267.84 is: 508,882.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,117.17 : 1,318,624.72 = 339,267.84 : x
  2. Step 2: Convert to fraction form
    879,117.17/1,318,624.72 = 339,267.84/x
  3. Step 3: Cross multiply
    879,117.17x = 1,318,624.72 × 339,267.84
  4. Step 4: Simplify right side
    879,117.17x = 447,366,962,149.26
  5. Step 5: Solve for x
    x = 447,366,962,149.26/879,117.17
  6. Step 6: Final answer
    x = 508,882.07

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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.