Home / 727,508.56-1,004,421.36-536,188.72

Finding the Fourth Proportional to 727,508.56, 1,004,421.36 and 536,188.72

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Solution

The fourth proportional to 727,508.56, 1,004,421.36 and 536,188.72 is: 740,279.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,508.56 : 1,004,421.36 = 536,188.72 : x
  2. Step 2: Convert to fraction form
    727,508.56/1,004,421.36 = 536,188.72/x
  3. Step 3: Cross multiply
    727,508.56x = 1,004,421.36 × 536,188.72
  4. Step 4: Simplify right side
    727,508.56x = 538,559,403,359.06
  5. Step 5: Solve for x
    x = 538,559,403,359.06/727,508.56
  6. Step 6: Final answer
    x = 740,279.13

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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.