Home / 779,959.84-1,170,016.56-324,457.60

Finding the Fourth Proportional to 779,959.84, 1,170,016.56 and 324,457.60

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Solution

The fourth proportional to 779,959.84, 1,170,016.56 and 324,457.60 is: 486,718.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,959.84 : 1,170,016.56 = 324,457.60 : x
  2. Step 2: Convert to fraction form
    779,959.84/1,170,016.56 = 324,457.60/x
  3. Step 3: Cross multiply
    779,959.84x = 1,170,016.56 × 324,457.60
  4. Step 4: Simplify right side
    779,959.84x = 379,620,765,017.86
  5. Step 5: Solve for x
    x = 379,620,765,017.86/779,959.84
  6. Step 6: Final answer
    x = 486,718.35

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Double scale
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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.