Home / 877,931.82-1,316,867.88-372,167.42

Finding the Fourth Proportional to 877,931.82, 1,316,867.88 and 372,167.42

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Solution

The fourth proportional to 877,931.82, 1,316,867.88 and 372,167.42 is: 558,238.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,931.82 : 1,316,867.88 = 372,167.42 : x
  2. Step 2: Convert to fraction form
    877,931.82/1,316,867.88 = 372,167.42/x
  3. Step 3: Cross multiply
    877,931.82x = 1,316,867.88 × 372,167.42
  4. Step 4: Simplify right side
    877,931.82x = 490,095,321,380.47
  5. Step 5: Solve for x
    x = 490,095,321,380.47/877,931.82
  6. Step 6: Final answer
    x = 558,238.48

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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.