Home / 877,576.78-1,316,104.35-372,130.30

Finding the Fourth Proportional to 877,576.78, 1,316,104.35 and 372,130.30

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Solution

The fourth proportional to 877,576.78, 1,316,104.35 and 372,130.30 is: 558,084.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,576.78 : 1,316,104.35 = 372,130.30 : x
  2. Step 2: Convert to fraction form
    877,576.78/1,316,104.35 = 372,130.30/x
  3. Step 3: Cross multiply
    877,576.78x = 1,316,104.35 × 372,130.30
  4. Step 4: Simplify right side
    877,576.78x = 489,762,306,596.81
  5. Step 5: Solve for x
    x = 489,762,306,596.81/877,576.78
  6. Step 6: Final answer
    x = 558,084.85

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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.