Home / 684,233.60-1,026,350.40-210,876.80

Finding the Fourth Proportional to 684,233.60, 1,026,350.40 and 210,876.80

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Solution

The fourth proportional to 684,233.60, 1,026,350.40 and 210,876.80 is: 316,315.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,233.60 : 1,026,350.40 = 210,876.80 : x
  2. Step 2: Convert to fraction form
    684,233.60/1,026,350.40 = 210,876.80/x
  3. Step 3: Cross multiply
    684,233.60x = 1,026,350.40 × 210,876.80
  4. Step 4: Simplify right side
    684,233.60x = 216,433,488,030.72
  5. Step 5: Solve for x
    x = 216,433,488,030.72/684,233.60
  6. Step 6: Final answer
    x = 316,315.20

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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.