Home / 977,875.20-1,467,250.20-472,240.80

Finding the Fourth Proportional to 977,875.20, 1,467,250.20 and 472,240.80

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Solution

The fourth proportional to 977,875.20, 1,467,250.20 and 472,240.80 is: 708,572.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,875.20 : 1,467,250.20 = 472,240.80 : x
  2. Step 2: Convert to fraction form
    977,875.20/1,467,250.20 = 472,240.80/x
  3. Step 3: Cross multiply
    977,875.20x = 1,467,250.20 × 472,240.80
  4. Step 4: Simplify right side
    977,875.20x = 692,895,408,248.16
  5. Step 5: Solve for x
    x = 692,895,408,248.16/977,875.20
  6. Step 6: Final answer
    x = 708,572.43

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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.