Home / 426,017.28-587,799-260,403.42

Finding the Fourth Proportional to 426,017.28, 587,799 and 260,403.42

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Solution

The fourth proportional to 426,017.28, 587,799 and 260,403.42 is: 359,292.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,017.28 : 587,799 = 260,403.42 : x
  2. Step 2: Convert to fraction form
    426,017.28/587,799 = 260,403.42/x
  3. Step 3: Cross multiply
    426,017.28x = 587,799 × 260,403.42
  4. Step 4: Simplify right side
    426,017.28x = 153,064,869,872.58
  5. Step 5: Solve for x
    x = 153,064,869,872.58/426,017.28
  6. Step 6: Final answer
    x = 359,292.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.