Home / 901,282.29-1,242,444.46-686,047.47

Finding the Fourth Proportional to 901,282.29, 1,242,444.46 and 686,047.47

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Solution

The fourth proportional to 901,282.29, 1,242,444.46 and 686,047.47 is: 945,736.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,282.29 : 1,242,444.46 = 686,047.47 : x
  2. Step 2: Convert to fraction form
    901,282.29/1,242,444.46 = 686,047.47/x
  3. Step 3: Cross multiply
    901,282.29x = 1,242,444.46 × 686,047.47
  4. Step 4: Simplify right side
    901,282.29x = 852,375,878,398.52
  5. Step 5: Solve for x
    x = 852,375,878,398.52/901,282.29
  6. Step 6: Final answer
    x = 945,736.85

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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.