Home / 798,277.28-1,195,713.48-645,820.16

Finding the Fourth Proportional to 798,277.28, 1,195,713.48 and 645,820.16

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Solution

The fourth proportional to 798,277.28, 1,195,713.48 and 645,820.16 is: 967,352.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,277.28 : 1,195,713.48 = 645,820.16 : x
  2. Step 2: Convert to fraction form
    798,277.28/1,195,713.48 = 645,820.16/x
  3. Step 3: Cross multiply
    798,277.28x = 1,195,713.48 × 645,820.16
  4. Step 4: Simplify right side
    798,277.28x = 772,215,870,967.76
  5. Step 5: Solve for x
    x = 772,215,870,967.76/798,277.28
  6. Step 6: Final answer
    x = 967,352.94

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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.