Home / 497,957.10-687,180.78-283,097.16

Finding the Fourth Proportional to 497,957.10, 687,180.78 and 283,097.16

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Solution

The fourth proportional to 497,957.10, 687,180.78 and 283,097.16 is: 390,674.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,957.10 : 687,180.78 = 283,097.16 : x
  2. Step 2: Convert to fraction form
    497,957.10/687,180.78 = 283,097.16/x
  3. Step 3: Cross multiply
    497,957.10x = 687,180.78 × 283,097.16
  4. Step 4: Simplify right side
    497,957.10x = 194,538,927,224.59
  5. Step 5: Solve for x
    x = 194,538,927,224.59/497,957.10
  6. Step 6: Final answer
    x = 390,674.07

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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.