Home / 830,738.85-1,248,709.41-548,244.78

Finding the Fourth Proportional to 830,738.85, 1,248,709.41 and 548,244.78

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Solution

The fourth proportional to 830,738.85, 1,248,709.41 and 548,244.78 is: 824,083.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,738.85 : 1,248,709.41 = 548,244.78 : x
  2. Step 2: Convert to fraction form
    830,738.85/1,248,709.41 = 548,244.78/x
  3. Step 3: Cross multiply
    830,738.85x = 1,248,709.41 × 548,244.78
  4. Step 4: Simplify right side
    830,738.85x = 684,598,415,769.38
  5. Step 5: Solve for x
    x = 684,598,415,769.38/830,738.85
  6. Step 6: Final answer
    x = 824,083.78

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Double scale
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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.