Home / 856,721.40-1,285,082.10-524,945.40

Finding the Fourth Proportional to 856,721.40, 1,285,082.10 and 524,945.40

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Solution

The fourth proportional to 856,721.40, 1,285,082.10 and 524,945.40 is: 787,418.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,721.40 : 1,285,082.10 = 524,945.40 : x
  2. Step 2: Convert to fraction form
    856,721.40/1,285,082.10 = 524,945.40/x
  3. Step 3: Cross multiply
    856,721.40x = 1,285,082.10 × 524,945.40
  4. Step 4: Simplify right side
    856,721.40x = 674,597,937,017.34
  5. Step 5: Solve for x
    x = 674,597,937,017.34/856,721.40
  6. Step 6: Final answer
    x = 787,418.10

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Similar ratio
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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.