Home / 852,199.68-1,175,996.16-489,368.28

Finding the Fourth Proportional to 852,199.68, 1,175,996.16 and 489,368.28

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Solution

The fourth proportional to 852,199.68, 1,175,996.16 and 489,368.28 is: 675,305.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,199.68 : 1,175,996.16 = 489,368.28 : x
  2. Step 2: Convert to fraction form
    852,199.68/1,175,996.16 = 489,368.28/x
  3. Step 3: Cross multiply
    852,199.68x = 1,175,996.16 × 489,368.28
  4. Step 4: Simplify right side
    852,199.68x = 575,495,218,105.81
  5. Step 5: Solve for x
    x = 575,495,218,105.81/852,199.68
  6. Step 6: Final answer
    x = 675,305.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.