Home / 637,082.28-879,155.88-361,490.31

Finding the Fourth Proportional to 637,082.28, 879,155.88 and 361,490.31

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Solution

The fourth proportional to 637,082.28, 879,155.88 and 361,490.31 is: 498,846.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,082.28 : 879,155.88 = 361,490.31 : x
  2. Step 2: Convert to fraction form
    637,082.28/879,155.88 = 361,490.31/x
  3. Step 3: Cross multiply
    637,082.28x = 879,155.88 × 361,490.31
  4. Step 4: Simplify right side
    637,082.28x = 317,806,330,243.93
  5. Step 5: Solve for x
    x = 317,806,330,243.93/637,082.28
  6. Step 6: Final answer
    x = 498,846.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.