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Finding the Fourth Proportional to 489,208.30, 733,812.45 and 450,717.10

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Solution

The fourth proportional to 489,208.30, 733,812.45 and 450,717.10 is: 676,075.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,208.30 : 733,812.45 = 450,717.10 : x
  2. Step 2: Convert to fraction form
    489,208.30/733,812.45 = 450,717.10/x
  3. Step 3: Cross multiply
    489,208.30x = 733,812.45 × 450,717.10
  4. Step 4: Simplify right side
    489,208.30x = 330,741,819,407.90
  5. Step 5: Solve for x
    x = 330,741,819,407.90/489,208.30
  6. Step 6: Final answer
    x = 676,075.65

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Similar ratio
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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.