Home / 646,962.05-892,811.17-375,191.08

Finding the Fourth Proportional to 646,962.05, 892,811.17 and 375,191.08

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Solution

The fourth proportional to 646,962.05, 892,811.17 and 375,191.08 is: 517,765.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,962.05 : 892,811.17 = 375,191.08 : x
  2. Step 2: Convert to fraction form
    646,962.05/892,811.17 = 375,191.08/x
  3. Step 3: Cross multiply
    646,962.05x = 892,811.17 × 375,191.08
  4. Step 4: Simplify right side
    646,962.05x = 334,974,780,768.35
  5. Step 5: Solve for x
    x = 334,974,780,768.35/646,962.05
  6. Step 6: Final answer
    x = 517,765.74

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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.