Home / 547,819.12-755,947.30-302,793.56

Finding the Fourth Proportional to 547,819.12, 755,947.30 and 302,793.56

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Solution

The fourth proportional to 547,819.12, 755,947.30 and 302,793.56 is: 417,831.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,819.12 : 755,947.30 = 302,793.56 : x
  2. Step 2: Convert to fraction form
    547,819.12/755,947.30 = 302,793.56/x
  3. Step 3: Cross multiply
    547,819.12x = 755,947.30 × 302,793.56
  4. Step 4: Simplify right side
    547,819.12x = 228,895,974,139.39
  5. Step 5: Solve for x
    x = 228,895,974,139.39/547,819.12
  6. Step 6: Final answer
    x = 417,831.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.