Home / 962,880.40-1,443,931.80-331,469.20

Finding the Fourth Proportional to 962,880.40, 1,443,931.80 and 331,469.20

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Solution

The fourth proportional to 962,880.40, 1,443,931.80 and 331,469.20 is: 497,069.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    962,880.40 : 1,443,931.80 = 331,469.20 : x
  2. Step 2: Convert to fraction form
    962,880.40/1,443,931.80 = 331,469.20/x
  3. Step 3: Cross multiply
    962,880.40x = 1,443,931.80 × 331,469.20
  4. Step 4: Simplify right side
    962,880.40x = 478,618,918,600.56
  5. Step 5: Solve for x
    x = 478,618,918,600.56/962,880.40
  6. Step 6: Final answer
    x = 497,069.96

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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.