Home / 970,980.75-1,340,026.41-563,079.05

Finding the Fourth Proportional to 970,980.75, 1,340,026.41 and 563,079.05

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Solution

The fourth proportional to 970,980.75, 1,340,026.41 and 563,079.05 is: 777,091.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,980.75 : 1,340,026.41 = 563,079.05 : x
  2. Step 2: Convert to fraction form
    970,980.75/1,340,026.41 = 563,079.05/x
  3. Step 3: Cross multiply
    970,980.75x = 1,340,026.41 × 563,079.05
  4. Step 4: Simplify right side
    970,980.75x = 754,540,791,217.58
  5. Step 5: Solve for x
    x = 754,540,791,217.58/970,980.75
  6. Step 6: Final answer
    x = 777,091.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.