Home / 907,633.30-1,359,117.15-669,687.70

Finding the Fourth Proportional to 907,633.30, 1,359,117.15 and 669,687.70

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Solution

The fourth proportional to 907,633.30, 1,359,117.15 and 669,687.70 is: 1,002,810.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,633.30 : 1,359,117.15 = 669,687.70 : x
  2. Step 2: Convert to fraction form
    907,633.30/1,359,117.15 = 669,687.70/x
  3. Step 3: Cross multiply
    907,633.30x = 1,359,117.15 × 669,687.70
  4. Step 4: Simplify right side
    907,633.30x = 910,184,038,214.06
  5. Step 5: Solve for x
    x = 910,184,038,214.06/907,633.30
  6. Step 6: Final answer
    x = 1,002,810.32

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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.