Home / 820,034.20-1,230,569.70-483,074.20

Finding the Fourth Proportional to 820,034.20, 1,230,569.70 and 483,074.20

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Solution

The fourth proportional to 820,034.20, 1,230,569.70 and 483,074.20 is: 724,916.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,034.20 : 1,230,569.70 = 483,074.20 : x
  2. Step 2: Convert to fraction form
    820,034.20/1,230,569.70 = 483,074.20/x
  3. Step 3: Cross multiply
    820,034.20x = 1,230,569.70 × 483,074.20
  4. Step 4: Simplify right side
    820,034.20x = 594,456,473,371.74
  5. Step 5: Solve for x
    x = 594,456,473,371.74/820,034.20
  6. Step 6: Final answer
    x = 724,916.68

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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.