Home / 398,210.04-596,999.30-208,634.04

Finding the Fourth Proportional to 398,210.04, 596,999.30 and 208,634.04

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Solution

The fourth proportional to 398,210.04, 596,999.30 and 208,634.04 is: 312,785.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,210.04 : 596,999.30 = 208,634.04 : x
  2. Step 2: Convert to fraction form
    398,210.04/596,999.30 = 208,634.04/x
  3. Step 3: Cross multiply
    398,210.04x = 596,999.30 × 208,634.04
  4. Step 4: Simplify right side
    398,210.04x = 124,554,374,793.00
  5. Step 5: Solve for x
    x = 124,554,374,793.00/398,210.04
  6. Step 6: Final answer
    x = 312,785.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.