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Finding the Fourth Proportional to 489,282.40, 733,923.60 and 447,948.10

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Solution

The fourth proportional to 489,282.40, 733,923.60 and 447,948.10 is: 671,922.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,282.40 : 733,923.60 = 447,948.10 : x
  2. Step 2: Convert to fraction form
    489,282.40/733,923.60 = 447,948.10/x
  3. Step 3: Cross multiply
    489,282.40x = 733,923.60 × 447,948.10
  4. Step 4: Simplify right side
    489,282.40x = 328,759,682,165.16
  5. Step 5: Solve for x
    x = 328,759,682,165.16/489,282.40
  6. Step 6: Final answer
    x = 671,922.15

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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.