Home / 772,978.59-1,159,547.33-267,538.74

Finding the Fourth Proportional to 772,978.59, 1,159,547.33 and 267,538.74

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Solution

The fourth proportional to 772,978.59, 1,159,547.33 and 267,538.74 is: 401,335.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,978.59 : 1,159,547.33 = 267,538.74 : x
  2. Step 2: Convert to fraction form
    772,978.59/1,159,547.33 = 267,538.74/x
  3. Step 3: Cross multiply
    772,978.59x = 1,159,547.33 × 267,538.74
  4. Step 4: Simplify right side
    772,978.59x = 310,223,831,638.56
  5. Step 5: Solve for x
    x = 310,223,831,638.56/772,978.59
  6. Step 6: Final answer
    x = 401,335.61

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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.