Home / 637,565.18-879,773.05-361,835.23

Finding the Fourth Proportional to 637,565.18, 879,773.05 and 361,835.23

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Solution

The fourth proportional to 637,565.18, 879,773.05 and 361,835.23 is: 499,294.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,565.18 : 879,773.05 = 361,835.23 : x
  2. Step 2: Convert to fraction form
    637,565.18/879,773.05 = 361,835.23/x
  3. Step 3: Cross multiply
    637,565.18x = 879,773.05 × 361,835.23
  4. Step 4: Simplify right side
    637,565.18x = 318,332,880,790.53
  5. Step 5: Solve for x
    x = 318,332,880,790.53/637,565.18
  6. Step 6: Final answer
    x = 499,294.64

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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.