Home / 526,510.80-789,766.20-432,032.40

Finding the Fourth Proportional to 526,510.80, 789,766.20 and 432,032.40

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Solution

The fourth proportional to 526,510.80, 789,766.20 and 432,032.40 is: 648,048.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,510.80 : 789,766.20 = 432,032.40 : x
  2. Step 2: Convert to fraction form
    526,510.80/789,766.20 = 432,032.40/x
  3. Step 3: Cross multiply
    526,510.80x = 789,766.20 × 432,032.40
  4. Step 4: Simplify right side
    526,510.80x = 341,204,586,824.88
  5. Step 5: Solve for x
    x = 341,204,586,824.88/526,510.80
  6. Step 6: Final answer
    x = 648,048.60

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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.