Home / 910,388.19-1,365,647.89-349,422.69

Finding the Fourth Proportional to 910,388.19, 1,365,647.89 and 349,422.69

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Solution

The fourth proportional to 910,388.19, 1,365,647.89 and 349,422.69 is: 524,159.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,388.19 : 1,365,647.89 = 349,422.69 : x
  2. Step 2: Convert to fraction form
    910,388.19/1,365,647.89 = 349,422.69/x
  3. Step 3: Cross multiply
    910,388.19x = 1,365,647.89 × 349,422.69
  4. Step 4: Simplify right side
    910,388.19x = 477,188,359,316.62
  5. Step 5: Solve for x
    x = 477,188,359,316.62/910,388.19
  6. Step 6: Final answer
    x = 524,159.22

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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.