Home / 903,472.80-1,355,209.20-667,276.80

Finding the Fourth Proportional to 903,472.80, 1,355,209.20 and 667,276.80

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Solution

The fourth proportional to 903,472.80, 1,355,209.20 and 667,276.80 is: 1,000,915.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,472.80 : 1,355,209.20 = 667,276.80 : x
  2. Step 2: Convert to fraction form
    903,472.80/1,355,209.20 = 667,276.80/x
  3. Step 3: Cross multiply
    903,472.80x = 1,355,209.20 × 667,276.80
  4. Step 4: Simplify right side
    903,472.80x = 904,299,658,306.56
  5. Step 5: Solve for x
    x = 904,299,658,306.56/903,472.80
  6. Step 6: Final answer
    x = 1,000,915.20

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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.