Home / 782,021.02-1,079,188.50-424,325.02

Finding the Fourth Proportional to 782,021.02, 1,079,188.50 and 424,325.02

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Solution

The fourth proportional to 782,021.02, 1,079,188.50 and 424,325.02 is: 585,568.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,021.02 : 1,079,188.50 = 424,325.02 : x
  2. Step 2: Convert to fraction form
    782,021.02/1,079,188.50 = 424,325.02/x
  3. Step 3: Cross multiply
    782,021.02x = 1,079,188.50 × 424,325.02
  4. Step 4: Simplify right side
    782,021.02x = 457,926,681,846.27
  5. Step 5: Solve for x
    x = 457,926,681,846.27/782,021.02
  6. Step 6: Final answer
    x = 585,568.25

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Double scale
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Similar ratio
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1.5x scale

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.