Home / 690,669.90-1,036,004.85-504,045.90

Finding the Fourth Proportional to 690,669.90, 1,036,004.85 and 504,045.90

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Solution

The fourth proportional to 690,669.90, 1,036,004.85 and 504,045.90 is: 756,068.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,669.90 : 1,036,004.85 = 504,045.90 : x
  2. Step 2: Convert to fraction form
    690,669.90/1,036,004.85 = 504,045.90/x
  3. Step 3: Cross multiply
    690,669.90x = 1,036,004.85 × 504,045.90
  4. Step 4: Simplify right side
    690,669.90x = 522,193,997,022.62
  5. Step 5: Solve for x
    x = 522,193,997,022.62/690,669.90
  6. Step 6: Final answer
    x = 756,068.85

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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.