Home / 646,967.20-892,818.27-375,196.21

Finding the Fourth Proportional to 646,967.20, 892,818.27 and 375,196.21

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Solution

The fourth proportional to 646,967.20, 892,818.27 and 375,196.21 is: 517,772.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,967.20 : 892,818.27 = 375,196.21 : x
  2. Step 2: Convert to fraction form
    646,967.20/892,818.27 = 375,196.21/x
  3. Step 3: Cross multiply
    646,967.20x = 892,818.27 × 375,196.21
  4. Step 4: Simplify right side
    646,967.20x = 334,982,031,122.76
  5. Step 5: Solve for x
    x = 334,982,031,122.76/646,967.20
  6. Step 6: Final answer
    x = 517,772.82

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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.