Home / 852,295.32-1,176,368.85-489,929.40

Finding the Fourth Proportional to 852,295.32, 1,176,368.85 and 489,929.40

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Solution

The fourth proportional to 852,295.32, 1,176,368.85 and 489,929.40 is: 676,218.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,295.32 : 1,176,368.85 = 489,929.40 : x
  2. Step 2: Convert to fraction form
    852,295.32/1,176,368.85 = 489,929.40/x
  3. Step 3: Cross multiply
    852,295.32x = 1,176,368.85 × 489,929.40
  4. Step 4: Simplify right side
    852,295.32x = 576,337,684,859.19
  5. Step 5: Solve for x
    x = 576,337,684,859.19/852,295.32
  6. Step 6: Final answer
    x = 676,218.29

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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.