Home / 999,143.40-1,498,196.70-367,732.20

Finding the Fourth Proportional to 999,143.40, 1,498,196.70 and 367,732.20

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Solution

The fourth proportional to 999,143.40, 1,498,196.70 and 367,732.20 is: 551,407.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,143.40 : 1,498,196.70 = 367,732.20 : x
  2. Step 2: Convert to fraction form
    999,143.40/1,498,196.70 = 367,732.20/x
  3. Step 3: Cross multiply
    999,143.40x = 1,498,196.70 × 367,732.20
  4. Step 4: Simplify right side
    999,143.40x = 550,935,168,523.74
  5. Step 5: Solve for x
    x = 550,935,168,523.74/999,143.40
  6. Step 6: Final answer
    x = 551,407.50

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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.