Home / 663,522.12-915,633.36-373,125.42

Finding the Fourth Proportional to 663,522.12, 915,633.36 and 373,125.42

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Solution

The fourth proportional to 663,522.12, 915,633.36 and 373,125.42 is: 514,897.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,522.12 : 915,633.36 = 373,125.42 : x
  2. Step 2: Convert to fraction form
    663,522.12/915,633.36 = 373,125.42/x
  3. Step 3: Cross multiply
    663,522.12x = 915,633.36 × 373,125.42
  4. Step 4: Simplify right side
    663,522.12x = 341,646,082,016.01
  5. Step 5: Solve for x
    x = 341,646,082,016.01/663,522.12
  6. Step 6: Final answer
    x = 514,897.80

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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.