Home / 772,752.40-1,159,704.60-398,582.80

Finding the Fourth Proportional to 772,752.40, 1,159,704.60 and 398,582.80

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Solution

The fourth proportional to 772,752.40, 1,159,704.60 and 398,582.80 is: 598,171.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,752.40 : 1,159,704.60 = 398,582.80 : x
  2. Step 2: Convert to fraction form
    772,752.40/1,159,704.60 = 398,582.80/x
  3. Step 3: Cross multiply
    772,752.40x = 1,159,704.60 × 398,582.80
  4. Step 4: Simplify right side
    772,752.40x = 462,238,306,640.88
  5. Step 5: Solve for x
    x = 462,238,306,640.88/772,752.40
  6. Step 6: Final answer
    x = 598,171.30

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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.