Home / 977,915.20-1,467,310.20-472,280.80

Finding the Fourth Proportional to 977,915.20, 1,467,310.20 and 472,280.80

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Solution

The fourth proportional to 977,915.20, 1,467,310.20 and 472,280.80 is: 708,632.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,915.20 : 1,467,310.20 = 472,280.80 : x
  2. Step 2: Convert to fraction form
    977,915.20/1,467,310.20 = 472,280.80/x
  3. Step 3: Cross multiply
    977,915.20x = 1,467,310.20 × 472,280.80
  4. Step 4: Simplify right side
    977,915.20x = 692,982,435,104.16
  5. Step 5: Solve for x
    x = 692,982,435,104.16/977,915.20
  6. Step 6: Final answer
    x = 708,632.44

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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.