Home / 760,377.88-1,049,317.50-420,834.52

Finding the Fourth Proportional to 760,377.88, 1,049,317.50 and 420,834.52

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Solution

The fourth proportional to 760,377.88, 1,049,317.50 and 420,834.52 is: 580,749.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,377.88 : 1,049,317.50 = 420,834.52 : x
  2. Step 2: Convert to fraction form
    760,377.88/1,049,317.50 = 420,834.52/x
  3. Step 3: Cross multiply
    760,377.88x = 1,049,317.50 × 420,834.52
  4. Step 4: Simplify right side
    760,377.88x = 441,589,026,440.10
  5. Step 5: Solve for x
    x = 441,589,026,440.10/760,377.88
  6. Step 6: Final answer
    x = 580,749.44

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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.