Home / 917,010.60-1,376,552.70-543,244.20

Finding the Fourth Proportional to 917,010.60, 1,376,552.70 and 543,244.20

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Solution

The fourth proportional to 917,010.60, 1,376,552.70 and 543,244.20 is: 815,480.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,010.60 : 1,376,552.70 = 543,244.20 : x
  2. Step 2: Convert to fraction form
    917,010.60/1,376,552.70 = 543,244.20/x
  3. Step 3: Cross multiply
    917,010.60x = 1,376,552.70 × 543,244.20
  4. Step 4: Simplify right side
    917,010.60x = 747,804,270,269.34
  5. Step 5: Solve for x
    x = 747,804,270,269.34/917,010.60
  6. Step 6: Final answer
    x = 815,480.51

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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.