Home / 797,778.16-1,197,478.68-398,705.20

Finding the Fourth Proportional to 797,778.16, 1,197,478.68 and 398,705.20

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Solution

The fourth proportional to 797,778.16, 1,197,478.68 and 398,705.20 is: 598,463.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,778.16 : 1,197,478.68 = 398,705.20 : x
  2. Step 2: Convert to fraction form
    797,778.16/1,197,478.68 = 398,705.20/x
  3. Step 3: Cross multiply
    797,778.16x = 1,197,478.68 × 398,705.20
  4. Step 4: Simplify right side
    797,778.16x = 477,440,976,605.14
  5. Step 5: Solve for x
    x = 477,440,976,605.14/797,778.16
  6. Step 6: Final answer
    x = 598,463.33

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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.