Home / 588,155.66-811,653.12-326,550.90

Finding the Fourth Proportional to 588,155.66, 811,653.12 and 326,550.90

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Solution

The fourth proportional to 588,155.66, 811,653.12 and 326,550.90 is: 450,639.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,155.66 : 811,653.12 = 326,550.90 : x
  2. Step 2: Convert to fraction form
    588,155.66/811,653.12 = 326,550.90/x
  3. Step 3: Cross multiply
    588,155.66x = 811,653.12 × 326,550.90
  4. Step 4: Simplify right side
    588,155.66x = 265,046,056,823.81
  5. Step 5: Solve for x
    x = 265,046,056,823.81/588,155.66
  6. Step 6: Final answer
    x = 450,639.30

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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.