Home / 669,901.32-1,002,534.98-413,628.66

Finding the Fourth Proportional to 669,901.32, 1,002,534.98 and 413,628.66

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Solution

The fourth proportional to 669,901.32, 1,002,534.98 and 413,628.66 is: 619,012.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,901.32 : 1,002,534.98 = 413,628.66 : x
  2. Step 2: Convert to fraction form
    669,901.32/1,002,534.98 = 413,628.66/x
  3. Step 3: Cross multiply
    669,901.32x = 1,002,534.98 × 413,628.66
  4. Step 4: Simplify right side
    669,901.32x = 414,677,198,312.38
  5. Step 5: Solve for x
    x = 414,677,198,312.38/669,901.32
  6. Step 6: Final answer
    x = 619,012.36

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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.