Home / 998,512.30-1,497,768.45-288,612.10

Finding the Fourth Proportional to 998,512.30, 1,497,768.45 and 288,612.10

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Solution

The fourth proportional to 998,512.30, 1,497,768.45 and 288,612.10 is: 432,918.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,512.30 : 1,497,768.45 = 288,612.10 : x
  2. Step 2: Convert to fraction form
    998,512.30/1,497,768.45 = 288,612.10/x
  3. Step 3: Cross multiply
    998,512.30x = 1,497,768.45 × 288,612.10
  4. Step 4: Simplify right side
    998,512.30x = 432,274,097,668.25
  5. Step 5: Solve for x
    x = 432,274,097,668.25/998,512.30
  6. Step 6: Final answer
    x = 432,918.15

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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.