Home / 644,565.76-962,633.44-548,774.72

Finding the Fourth Proportional to 644,565.76, 962,633.44 and 548,774.72

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Solution

The fourth proportional to 644,565.76, 962,633.44 and 548,774.72 is: 819,573.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,565.76 : 962,633.44 = 548,774.72 : x
  2. Step 2: Convert to fraction form
    644,565.76/962,633.44 = 548,774.72/x
  3. Step 3: Cross multiply
    644,565.76x = 962,633.44 × 548,774.72
  4. Step 4: Simplify right side
    644,565.76x = 528,268,896,498.64
  5. Step 5: Solve for x
    x = 528,268,896,498.64/644,565.76
  6. Step 6: Final answer
    x = 819,573.31

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.