Home / 690,952.64-1,036,232.13-437,851.13

Finding the Fourth Proportional to 690,952.64, 1,036,232.13 and 437,851.13

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Solution

The fourth proportional to 690,952.64, 1,036,232.13 and 437,851.13 is: 656,651.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,952.64 : 1,036,232.13 = 437,851.13 : x
  2. Step 2: Convert to fraction form
    690,952.64/1,036,232.13 = 437,851.13/x
  3. Step 3: Cross multiply
    690,952.64x = 1,036,232.13 × 437,851.13
  4. Step 4: Simplify right side
    690,952.64x = 453,715,409,062.81
  5. Step 5: Solve for x
    x = 453,715,409,062.81/690,952.64
  6. Step 6: Final answer
    x = 656,651.97

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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.