Home / 454,452.10-680,900.55-288,045.70

Finding the Fourth Proportional to 454,452.10, 680,900.55 and 288,045.70

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Solution

The fourth proportional to 454,452.10, 680,900.55 and 288,045.70 is: 431,575.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,452.10 : 680,900.55 = 288,045.70 : x
  2. Step 2: Convert to fraction form
    454,452.10/680,900.55 = 288,045.70/x
  3. Step 3: Cross multiply
    454,452.10x = 680,900.55 × 288,045.70
  4. Step 4: Simplify right side
    454,452.10x = 196,130,475,555.14
  5. Step 5: Solve for x
    x = 196,130,475,555.14/454,452.10
  6. Step 6: Final answer
    x = 431,575.68

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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.