Home / 778,309.76-1,159,727.28-693,417.44

Finding the Fourth Proportional to 778,309.76, 1,159,727.28 and 693,417.44

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Solution

The fourth proportional to 778,309.76, 1,159,727.28 and 693,417.44 is: 1,033,232.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,309.76 : 1,159,727.28 = 693,417.44 : x
  2. Step 2: Convert to fraction form
    778,309.76/1,159,727.28 = 693,417.44/x
  3. Step 3: Cross multiply
    778,309.76x = 1,159,727.28 × 693,417.44
  4. Step 4: Simplify right side
    778,309.76x = 804,175,121,595.76
  5. Step 5: Solve for x
    x = 804,175,121,595.76/778,309.76
  6. Step 6: Final answer
    x = 1,033,232.73

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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.