Home / 588,345.10-811,890.66-326,684.12

Finding the Fourth Proportional to 588,345.10, 811,890.66 and 326,684.12

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Solution

The fourth proportional to 588,345.10, 811,890.66 and 326,684.12 is: 450,809.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,345.10 : 811,890.66 = 326,684.12 : x
  2. Step 2: Convert to fraction form
    588,345.10/811,890.66 = 326,684.12/x
  3. Step 3: Cross multiply
    588,345.10x = 811,890.66 × 326,684.12
  4. Step 4: Simplify right side
    588,345.10x = 265,231,785,798.32
  5. Step 5: Solve for x
    x = 265,231,785,798.32/588,345.10
  6. Step 6: Final answer
    x = 450,809.88

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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.