Home / 788,963.40-1,183,445.10-453,040.20

Finding the Fourth Proportional to 788,963.40, 1,183,445.10 and 453,040.20

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Solution

The fourth proportional to 788,963.40, 1,183,445.10 and 453,040.20 is: 679,560.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,963.40 : 1,183,445.10 = 453,040.20 : x
  2. Step 2: Convert to fraction form
    788,963.40/1,183,445.10 = 453,040.20/x
  3. Step 3: Cross multiply
    788,963.40x = 1,183,445.10 × 453,040.20
  4. Step 4: Simplify right side
    788,963.40x = 536,148,204,793.02
  5. Step 5: Solve for x
    x = 536,148,204,793.02/788,963.40
  6. Step 6: Final answer
    x = 679,560.30

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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.