Home / 942,930.78-1,300,656.86-575,239.92

Finding the Fourth Proportional to 942,930.78, 1,300,656.86 and 575,239.92

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Solution

The fourth proportional to 942,930.78, 1,300,656.86 and 575,239.92 is: 793,472.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,930.78 : 1,300,656.86 = 575,239.92 : x
  2. Step 2: Convert to fraction form
    942,930.78/1,300,656.86 = 575,239.92/x
  3. Step 3: Cross multiply
    942,930.78x = 1,300,656.86 × 575,239.92
  4. Step 4: Simplify right side
    942,930.78x = 748,189,748,093.85
  5. Step 5: Solve for x
    x = 748,189,748,093.85/942,930.78
  6. Step 6: Final answer
    x = 793,472.61

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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.