Home / 740,672.34-1,111,412.97-314,141.82

Finding the Fourth Proportional to 740,672.34, 1,111,412.97 and 314,141.82

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Solution

The fourth proportional to 740,672.34, 1,111,412.97 and 314,141.82 is: 471,384.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,672.34 : 1,111,412.97 = 314,141.82 : x
  2. Step 2: Convert to fraction form
    740,672.34/1,111,412.97 = 314,141.82/x
  3. Step 3: Cross multiply
    740,672.34x = 1,111,412.97 × 314,141.82
  4. Step 4: Simplify right side
    740,672.34x = 349,141,293,167.41
  5. Step 5: Solve for x
    x = 349,141,293,167.41/740,672.34
  6. Step 6: Final answer
    x = 471,384.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.