Home / 910,579.65-1,366,252.20-489,363.45

Finding the Fourth Proportional to 910,579.65, 1,366,252.20 and 489,363.45

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Solution

The fourth proportional to 910,579.65, 1,366,252.20 and 489,363.45 is: 734,250.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,579.65 : 1,366,252.20 = 489,363.45 : x
  2. Step 2: Convert to fraction form
    910,579.65/1,366,252.20 = 489,363.45/x
  3. Step 3: Cross multiply
    910,579.65x = 1,366,252.20 × 489,363.45
  4. Step 4: Simplify right side
    910,579.65x = 668,593,890,162.09
  5. Step 5: Solve for x
    x = 668,593,890,162.09/910,579.65
  6. Step 6: Final answer
    x = 734,250.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.