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Finding the Fourth Proportional to 489,247.10, 733,870.65 and 410,515.10

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Solution

The fourth proportional to 489,247.10, 733,870.65 and 410,515.10 is: 615,772.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,247.10 : 733,870.65 = 410,515.10 : x
  2. Step 2: Convert to fraction form
    489,247.10/733,870.65 = 410,515.10/x
  3. Step 3: Cross multiply
    489,247.10x = 733,870.65 × 410,515.10
  4. Step 4: Simplify right side
    489,247.10x = 301,264,983,271.82
  5. Step 5: Solve for x
    x = 301,264,983,271.82/489,247.10
  6. Step 6: Final answer
    x = 615,772.65

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Similar ratio
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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.