Home / 538,359.13-742,968.70-296,641.64

Finding the Fourth Proportional to 538,359.13, 742,968.70 and 296,641.64

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Solution

The fourth proportional to 538,359.13, 742,968.70 and 296,641.64 is: 409,383.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,359.13 : 742,968.70 = 296,641.64 : x
  2. Step 2: Convert to fraction form
    538,359.13/742,968.70 = 296,641.64/x
  3. Step 3: Cross multiply
    538,359.13x = 742,968.70 × 296,641.64
  4. Step 4: Simplify right side
    538,359.13x = 220,395,452,803.22
  5. Step 5: Solve for x
    x = 220,395,452,803.22/538,359.13
  6. Step 6: Final answer
    x = 409,383.70

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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.