Home / 970,986.75-1,340,034.69-563,085.05

Finding the Fourth Proportional to 970,986.75, 1,340,034.69 and 563,085.05

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Solution

The fourth proportional to 970,986.75, 1,340,034.69 and 563,085.05 is: 777,099.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,986.75 : 1,340,034.69 = 563,085.05 : x
  2. Step 2: Convert to fraction form
    970,986.75/1,340,034.69 = 563,085.05/x
  3. Step 3: Cross multiply
    970,986.75x = 1,340,034.69 × 563,085.05
  4. Step 4: Simplify right side
    970,986.75x = 754,553,500,420.39
  5. Step 5: Solve for x
    x = 754,553,500,420.39/970,986.75
  6. Step 6: Final answer
    x = 777,099.69

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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.