Home / 984,920.60-1,359,199.50-555,162.68

Finding the Fourth Proportional to 984,920.60, 1,359,199.50 and 555,162.68

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Solution

The fourth proportional to 984,920.60, 1,359,199.50 and 555,162.68 is: 766,129.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,920.60 : 1,359,199.50 = 555,162.68 : x
  2. Step 2: Convert to fraction form
    984,920.60/1,359,199.50 = 555,162.68/x
  3. Step 3: Cross multiply
    984,920.60x = 1,359,199.50 × 555,162.68
  4. Step 4: Simplify right side
    984,920.60x = 754,576,837,074.66
  5. Step 5: Solve for x
    x = 754,576,837,074.66/984,920.60
  6. Step 6: Final answer
    x = 766,129.61

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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.