Home / 690,671.90-1,036,007.85-504,047.90

Finding the Fourth Proportional to 690,671.90, 1,036,007.85 and 504,047.90

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Solution

The fourth proportional to 690,671.90, 1,036,007.85 and 504,047.90 is: 756,071.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,671.90 : 1,036,007.85 = 504,047.90 : x
  2. Step 2: Convert to fraction form
    690,671.90/1,036,007.85 = 504,047.90/x
  3. Step 3: Cross multiply
    690,671.90x = 1,036,007.85 × 504,047.90
  4. Step 4: Simplify right side
    690,671.90x = 522,197,581,176.02
  5. Step 5: Solve for x
    x = 522,197,581,176.02/690,671.90
  6. Step 6: Final answer
    x = 756,071.85

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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.