Home / 970,988.75-1,340,037.45-563,087.05

Finding the Fourth Proportional to 970,988.75, 1,340,037.45 and 563,087.05

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Solution

The fourth proportional to 970,988.75, 1,340,037.45 and 563,087.05 is: 777,102.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,988.75 : 1,340,037.45 = 563,087.05 : x
  2. Step 2: Convert to fraction form
    970,988.75/1,340,037.45 = 563,087.05/x
  3. Step 3: Cross multiply
    970,988.75x = 1,340,037.45 × 563,087.05
  4. Step 4: Simplify right side
    970,988.75x = 754,557,734,610.02
  5. Step 5: Solve for x
    x = 754,557,734,610.02/970,988.75
  6. Step 6: Final answer
    x = 777,102.45

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1.5x scale

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.