Home / 977,947.20-1,467,358.20-472,312.80

Finding the Fourth Proportional to 977,947.20, 1,467,358.20 and 472,312.80

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Solution

The fourth proportional to 977,947.20, 1,467,358.20 and 472,312.80 is: 708,680.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,947.20 : 1,467,358.20 = 472,312.80 : x
  2. Step 2: Convert to fraction form
    977,947.20/1,467,358.20 = 472,312.80/x
  3. Step 3: Cross multiply
    977,947.20x = 1,467,358.20 × 472,312.80
  4. Step 4: Simplify right side
    977,947.20x = 693,052,060,044.96
  5. Step 5: Solve for x
    x = 693,052,060,044.96/977,947.20
  6. Step 6: Final answer
    x = 708,680.45

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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.