Home / 647,899.90-971,849.95-332,155.42

Finding the Fourth Proportional to 647,899.90, 971,849.95 and 332,155.42

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Solution

The fourth proportional to 647,899.90, 971,849.95 and 332,155.42 is: 498,233.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,899.90 : 971,849.95 = 332,155.42 : x
  2. Step 2: Convert to fraction form
    647,899.90/971,849.95 = 332,155.42/x
  3. Step 3: Cross multiply
    647,899.90x = 971,849.95 × 332,155.42
  4. Step 4: Simplify right side
    647,899.90x = 322,805,225,059.22
  5. Step 5: Solve for x
    x = 322,805,225,059.22/647,899.90
  6. Step 6: Final answer
    x = 498,233.18

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Similar ratio
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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.