Home / 727,537.14-1,004,031.72-405,246.78

Finding the Fourth Proportional to 727,537.14, 1,004,031.72 and 405,246.78

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Solution

The fourth proportional to 727,537.14, 1,004,031.72 and 405,246.78 is: 559,257.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,537.14 : 1,004,031.72 = 405,246.78 : x
  2. Step 2: Convert to fraction form
    727,537.14/1,004,031.72 = 405,246.78/x
  3. Step 3: Cross multiply
    727,537.14x = 1,004,031.72 × 405,246.78
  4. Step 4: Simplify right side
    727,537.14x = 406,880,621,547.86
  5. Step 5: Solve for x
    x = 406,880,621,547.86/727,537.14
  6. Step 6: Final answer
    x = 559,257.53

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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.