Home / 760,691.24-1,049,824.33-421,159.49

Finding the Fourth Proportional to 760,691.24, 1,049,824.33 and 421,159.49

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Solution

The fourth proportional to 760,691.24, 1,049,824.33 and 421,159.49 is: 581,239.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,691.24 : 1,049,824.33 = 421,159.49 : x
  2. Step 2: Convert to fraction form
    760,691.24/1,049,824.33 = 421,159.49/x
  3. Step 3: Cross multiply
    760,691.24x = 1,049,824.33 × 421,159.49
  4. Step 4: Simplify right side
    760,691.24x = 442,143,479,412.39
  5. Step 5: Solve for x
    x = 442,143,479,412.39/760,691.24
  6. Step 6: Final answer
    x = 581,239.08

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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.