Home / 808,512.60-1,210,436.10-724,531.80

Finding the Fourth Proportional to 808,512.60, 1,210,436.10 and 724,531.80

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Solution

The fourth proportional to 808,512.60, 1,210,436.10 and 724,531.80 is: 1,084,707.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,512.60 : 1,210,436.10 = 724,531.80 : x
  2. Step 2: Convert to fraction form
    808,512.60/1,210,436.10 = 724,531.80/x
  3. Step 3: Cross multiply
    808,512.60x = 1,210,436.10 × 724,531.80
  4. Step 4: Simplify right side
    808,512.60x = 876,999,446,317.98
  5. Step 5: Solve for x
    x = 876,999,446,317.98/808,512.60
  6. Step 6: Final answer
    x = 1,084,707.21

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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.