Home / 469,515.20-703,070.40-258,919.52

Finding the Fourth Proportional to 469,515.20, 703,070.40 and 258,919.52

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Solution

The fourth proportional to 469,515.20, 703,070.40 and 258,919.52 is: 387,716.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,515.20 : 703,070.40 = 258,919.52 : x
  2. Step 2: Convert to fraction form
    469,515.20/703,070.40 = 258,919.52/x
  3. Step 3: Cross multiply
    469,515.20x = 703,070.40 × 258,919.52
  4. Step 4: Simplify right side
    469,515.20x = 182,038,650,494.21
  5. Step 5: Solve for x
    x = 182,038,650,494.21/469,515.20
  6. Step 6: Final answer
    x = 387,716.20

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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.