Home / 869,113.90-1,303,670.85-495,865.90

Finding the Fourth Proportional to 869,113.90, 1,303,670.85 and 495,865.90

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Solution

The fourth proportional to 869,113.90, 1,303,670.85 and 495,865.90 is: 743,798.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,113.90 : 1,303,670.85 = 495,865.90 : x
  2. Step 2: Convert to fraction form
    869,113.90/1,303,670.85 = 495,865.90/x
  3. Step 3: Cross multiply
    869,113.90x = 1,303,670.85 × 495,865.90
  4. Step 4: Simplify right side
    869,113.90x = 646,445,919,339.02
  5. Step 5: Solve for x
    x = 646,445,919,339.02/869,113.90
  6. Step 6: Final answer
    x = 743,798.85

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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.