Home / 907,704.30-1,359,223.65-669,758.70

Finding the Fourth Proportional to 907,704.30, 1,359,223.65 and 669,758.70

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Solution

The fourth proportional to 907,704.30, 1,359,223.65 and 669,758.70 is: 1,002,916.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,704.30 : 1,359,223.65 = 669,758.70 : x
  2. Step 2: Convert to fraction form
    907,704.30/1,359,223.65 = 669,758.70/x
  3. Step 3: Cross multiply
    907,704.30x = 1,359,223.65 × 669,758.70
  4. Step 4: Simplify right side
    907,704.30x = 910,351,864,833.26
  5. Step 5: Solve for x
    x = 910,351,864,833.26/907,704.30
  6. Step 6: Final answer
    x = 1,002,916.77

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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.