Home / 908,082.88-1,253,044.64-520,878.24

Finding the Fourth Proportional to 908,082.88, 1,253,044.64 and 520,878.24

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Solution

The fourth proportional to 908,082.88, 1,253,044.64 and 520,878.24 is: 718,749.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,082.88 : 1,253,044.64 = 520,878.24 : x
  2. Step 2: Convert to fraction form
    908,082.88/1,253,044.64 = 520,878.24/x
  3. Step 3: Cross multiply
    908,082.88x = 1,253,044.64 × 520,878.24
  4. Step 4: Simplify right side
    908,082.88x = 652,683,686,724.63
  5. Step 5: Solve for x
    x = 652,683,686,724.63/908,082.88
  6. Step 6: Final answer
    x = 718,749.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.