Home / 852,293.07-1,176,365.73-489,927.15

Finding the Fourth Proportional to 852,293.07, 1,176,365.73 and 489,927.15

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Solution

The fourth proportional to 852,293.07, 1,176,365.73 and 489,927.15 is: 676,215.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,293.07 : 1,176,365.73 = 489,927.15 : x
  2. Step 2: Convert to fraction form
    852,293.07/1,176,365.73 = 489,927.15/x
  3. Step 3: Cross multiply
    852,293.07x = 1,176,365.73 × 489,927.15
  4. Step 4: Simplify right side
    852,293.07x = 576,333,511,293.80
  5. Step 5: Solve for x
    x = 576,333,511,293.80/852,293.07
  6. Step 6: Final answer
    x = 676,215.18

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1.5x scale

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.