Home / 798,082.60-1,198,506.30-424,834.60

Finding the Fourth Proportional to 798,082.60, 1,198,506.30 and 424,834.60

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Solution

The fourth proportional to 798,082.60, 1,198,506.30 and 424,834.60 is: 637,987.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,082.60 : 1,198,506.30 = 424,834.60 : x
  2. Step 2: Convert to fraction form
    798,082.60/1,198,506.30 = 424,834.60/x
  3. Step 3: Cross multiply
    798,082.60x = 1,198,506.30 × 424,834.60
  4. Step 4: Simplify right side
    798,082.60x = 509,166,944,557.98
  5. Step 5: Solve for x
    x = 509,166,944,557.98/798,082.60
  6. Step 6: Final answer
    x = 637,987.78

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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.