Home / 901,502.69-1,243,709.11-538,719.49

Finding the Fourth Proportional to 901,502.69, 1,243,709.11 and 538,719.49

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Solution

The fourth proportional to 901,502.69, 1,243,709.11 and 538,719.49 is: 743,215.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,502.69 : 1,243,709.11 = 538,719.49 : x
  2. Step 2: Convert to fraction form
    901,502.69/1,243,709.11 = 538,719.49/x
  3. Step 3: Cross multiply
    901,502.69x = 1,243,709.11 × 538,719.49
  4. Step 4: Simplify right side
    901,502.69x = 670,010,334,753.96
  5. Step 5: Solve for x
    x = 670,010,334,753.96/901,502.69
  6. Step 6: Final answer
    x = 743,215.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.