Home / 684,266.40-1,026,545.40-210,999.60

Finding the Fourth Proportional to 684,266.40, 1,026,545.40 and 210,999.60

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Solution

The fourth proportional to 684,266.40, 1,026,545.40 and 210,999.60 is: 316,544.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,266.40 : 1,026,545.40 = 210,999.60 : x
  2. Step 2: Convert to fraction form
    684,266.40/1,026,545.40 = 210,999.60/x
  3. Step 3: Cross multiply
    684,266.40x = 1,026,545.40 × 210,999.60
  4. Step 4: Simplify right side
    684,266.40x = 216,600,668,781.84
  5. Step 5: Solve for x
    x = 216,600,668,781.84/684,266.40
  6. Step 6: Final answer
    x = 316,544.36

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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.