Home / 690,936.64-1,036,208.13-437,835.13

Finding the Fourth Proportional to 690,936.64, 1,036,208.13 and 437,835.13

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Solution

The fourth proportional to 690,936.64, 1,036,208.13 and 437,835.13 is: 656,627.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,936.64 : 1,036,208.13 = 437,835.13 : x
  2. Step 2: Convert to fraction form
    690,936.64/1,036,208.13 = 437,835.13/x
  3. Step 3: Cross multiply
    690,936.64x = 1,036,208.13 × 437,835.13
  4. Step 4: Simplify right side
    690,936.64x = 453,688,321,305.61
  5. Step 5: Solve for x
    x = 453,688,321,305.61/690,936.64
  6. Step 6: Final answer
    x = 656,627.97

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1.5x scale

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.