Home / 669,048.62-1,002,151.32-453,038.60

Finding the Fourth Proportional to 669,048.62, 1,002,151.32 and 453,038.60

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Solution

The fourth proportional to 669,048.62, 1,002,151.32 and 453,038.60 is: 678,595.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,048.62 : 1,002,151.32 = 453,038.60 : x
  2. Step 2: Convert to fraction form
    669,048.62/1,002,151.32 = 453,038.60/x
  3. Step 3: Cross multiply
    669,048.62x = 1,002,151.32 × 453,038.60
  4. Step 4: Simplify right side
    669,048.62x = 454,013,231,000.95
  5. Step 5: Solve for x
    x = 454,013,231,000.95/669,048.62
  6. Step 6: Final answer
    x = 678,595.27

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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.