Home / 827,250.30-1,142,040.78-556,740.27

Finding the Fourth Proportional to 827,250.30, 1,142,040.78 and 556,740.27

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Solution

The fourth proportional to 827,250.30, 1,142,040.78 and 556,740.27 is: 768,594.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,250.30 : 1,142,040.78 = 556,740.27 : x
  2. Step 2: Convert to fraction form
    827,250.30/1,142,040.78 = 556,740.27/x
  3. Step 3: Cross multiply
    827,250.30x = 1,142,040.78 × 556,740.27
  4. Step 4: Simplify right side
    827,250.30x = 635,820,092,208.21
  5. Step 5: Solve for x
    x = 635,820,092,208.21/827,250.30
  6. Step 6: Final answer
    x = 768,594.57

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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.