Home / 852,302.34-1,176,137.28-489,470.40

Finding the Fourth Proportional to 852,302.34, 1,176,137.28 and 489,470.40

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Solution

The fourth proportional to 852,302.34, 1,176,137.28 and 489,470.40 is: 675,446.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,302.34 : 1,176,137.28 = 489,470.40 : x
  2. Step 2: Convert to fraction form
    852,302.34/1,176,137.28 = 489,470.40/x
  3. Step 3: Cross multiply
    852,302.34x = 1,176,137.28 × 489,470.40
  4. Step 4: Simplify right side
    852,302.34x = 575,684,384,896.51
  5. Step 5: Solve for x
    x = 575,684,384,896.51/852,302.34
  6. Step 6: Final answer
    x = 675,446.21

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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.