Home / 810,001.70-1,215,002.55-248,963.30

Finding the Fourth Proportional to 810,001.70, 1,215,002.55 and 248,963.30

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Solution

The fourth proportional to 810,001.70, 1,215,002.55 and 248,963.30 is: 373,444.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,001.70 : 1,215,002.55 = 248,963.30 : x
  2. Step 2: Convert to fraction form
    810,001.70/1,215,002.55 = 248,963.30/x
  3. Step 3: Cross multiply
    810,001.70x = 1,215,002.55 × 248,963.30
  4. Step 4: Simplify right side
    810,001.70x = 302,491,044,356.42
  5. Step 5: Solve for x
    x = 302,491,044,356.42/810,001.70
  6. Step 6: Final answer
    x = 373,444.95

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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.