Home / 958,775.81-1,438,713.19-390,051.92

Finding the Fourth Proportional to 958,775.81, 1,438,713.19 and 390,051.92

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Solution

The fourth proportional to 958,775.81, 1,438,713.19 and 390,051.92 is: 585,301.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,775.81 : 1,438,713.19 = 390,051.92 : x
  2. Step 2: Convert to fraction form
    958,775.81/1,438,713.19 = 390,051.92/x
  3. Step 3: Cross multiply
    958,775.81x = 1,438,713.19 × 390,051.92
  4. Step 4: Simplify right side
    958,775.81x = 561,172,846,173.17
  5. Step 5: Solve for x
    x = 561,172,846,173.17/958,775.81
  6. Step 6: Final answer
    x = 585,301.43

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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.