Home / 942,685.79-1,414,250.15-311,599.60

Finding the Fourth Proportional to 942,685.79, 1,414,250.15 and 311,599.60

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Solution

The fourth proportional to 942,685.79, 1,414,250.15 and 311,599.60 is: 467,472.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,685.79 : 1,414,250.15 = 311,599.60 : x
  2. Step 2: Convert to fraction form
    942,685.79/1,414,250.15 = 311,599.60/x
  3. Step 3: Cross multiply
    942,685.79x = 1,414,250.15 × 311,599.60
  4. Step 4: Simplify right side
    942,685.79x = 440,679,775,946.32
  5. Step 5: Solve for x
    x = 440,679,775,946.32/942,685.79
  6. Step 6: Final answer
    x = 467,472.60

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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.