Home / 930,978.92-1,284,671.39-523,048.74

Finding the Fourth Proportional to 930,978.92, 1,284,671.39 and 523,048.74

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Solution

The fourth proportional to 930,978.92, 1,284,671.39 and 523,048.74 is: 721,762.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,978.92 : 1,284,671.39 = 523,048.74 : x
  2. Step 2: Convert to fraction form
    930,978.92/1,284,671.39 = 523,048.74/x
  3. Step 3: Cross multiply
    930,978.92x = 1,284,671.39 × 523,048.74
  4. Step 4: Simplify right side
    930,978.92x = 671,945,749,238.31
  5. Step 5: Solve for x
    x = 671,945,749,238.31/930,978.92
  6. Step 6: Final answer
    x = 721,762.59

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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.