Home / 877,581.28-1,316,111.08-372,134.80

Finding the Fourth Proportional to 877,581.28, 1,316,111.08 and 372,134.80

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Solution

The fourth proportional to 877,581.28, 1,316,111.08 and 372,134.80 is: 558,091.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,581.28 : 1,316,111.08 = 372,134.80 : x
  2. Step 2: Convert to fraction form
    877,581.28/1,316,111.08 = 372,134.80/x
  3. Step 3: Cross multiply
    877,581.28x = 1,316,111.08 × 372,134.80
  4. Step 4: Simplify right side
    877,581.28x = 489,770,733,533.58
  5. Step 5: Solve for x
    x = 489,770,733,533.58/877,581.28
  6. Step 6: Final answer
    x = 558,091.59

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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.