Home / 497,318.91-686,296.29-293,370.21

Finding the Fourth Proportional to 497,318.91, 686,296.29 and 293,370.21

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Solution

The fourth proportional to 497,318.91, 686,296.29 and 293,370.21 is: 404,848.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,318.91 : 686,296.29 = 293,370.21 : x
  2. Step 2: Convert to fraction form
    497,318.91/686,296.29 = 293,370.21/x
  3. Step 3: Cross multiply
    497,318.91x = 686,296.29 × 293,370.21
  4. Step 4: Simplify right side
    497,318.91x = 201,338,886,719.52
  5. Step 5: Solve for x
    x = 201,338,886,719.52/497,318.91
  6. Step 6: Final answer
    x = 404,848.64

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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.