Home / 779,941.80-1,170,082.80-443,143.80

Finding the Fourth Proportional to 779,941.80, 1,170,082.80 and 443,143.80

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Solution

The fourth proportional to 779,941.80, 1,170,082.80 and 443,143.80 is: 664,812.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,941.80 : 1,170,082.80 = 443,143.80 : x
  2. Step 2: Convert to fraction form
    779,941.80/1,170,082.80 = 443,143.80/x
  3. Step 3: Cross multiply
    779,941.80x = 1,170,082.80 × 443,143.80
  4. Step 4: Simplify right side
    779,941.80x = 518,514,938,306.64
  5. Step 5: Solve for x
    x = 518,514,938,306.64/779,941.80
  6. Step 6: Final answer
    x = 664,812.35

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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.