Home / 810,925.21-1,119,057.07-448,339.73

Finding the Fourth Proportional to 810,925.21, 1,119,057.07 and 448,339.73

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Solution

The fourth proportional to 810,925.21, 1,119,057.07 and 448,339.73 is: 618,697.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,925.21 : 1,119,057.07 = 448,339.73 : x
  2. Step 2: Convert to fraction form
    810,925.21/1,119,057.07 = 448,339.73/x
  3. Step 3: Cross multiply
    810,925.21x = 1,119,057.07 × 448,339.73
  4. Step 4: Simplify right side
    810,925.21x = 501,717,742,376.69
  5. Step 5: Solve for x
    x = 501,717,742,376.69/810,925.21
  6. Step 6: Final answer
    x = 618,697.92

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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.