Home / 977,965.20-1,467,385.20-472,330.80

Finding the Fourth Proportional to 977,965.20, 1,467,385.20 and 472,330.80

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Solution

The fourth proportional to 977,965.20, 1,467,385.20 and 472,330.80 is: 708,707.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,965.20 : 1,467,385.20 = 472,330.80 : x
  2. Step 2: Convert to fraction form
    977,965.20/1,467,385.20 = 472,330.80/x
  3. Step 3: Cross multiply
    977,965.20x = 1,467,385.20 × 472,330.80
  4. Step 4: Simplify right side
    977,965.20x = 693,091,225,424.16
  5. Step 5: Solve for x
    x = 693,091,225,424.16/977,965.20
  6. Step 6: Final answer
    x = 708,707.45

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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.