Home / 852,207.68-1,176,007.20-489,376.32

Finding the Fourth Proportional to 852,207.68, 1,176,007.20 and 489,376.32

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Solution

The fourth proportional to 852,207.68, 1,176,007.20 and 489,376.32 is: 675,316.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,207.68 : 1,176,007.20 = 489,376.32 : x
  2. Step 2: Convert to fraction form
    852,207.68/1,176,007.20 = 489,376.32/x
  3. Step 3: Cross multiply
    852,207.68x = 1,176,007.20 × 489,376.32
  4. Step 4: Simplify right side
    852,207.68x = 575,510,075,829.50
  5. Step 5: Solve for x
    x = 575,510,075,829.50/852,207.68
  6. Step 6: Final answer
    x = 675,316.70

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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.