Home / 646,962.44-892,811.71-375,191.47

Finding the Fourth Proportional to 646,962.44, 892,811.71 and 375,191.47

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Solution

The fourth proportional to 646,962.44, 892,811.71 and 375,191.47 is: 517,766.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,962.44 : 892,811.71 = 375,191.47 : x
  2. Step 2: Convert to fraction form
    646,962.44/892,811.71 = 375,191.47/x
  3. Step 3: Cross multiply
    646,962.44x = 892,811.71 × 375,191.47
  4. Step 4: Simplify right side
    646,962.44x = 334,975,337,908.11
  5. Step 5: Solve for x
    x = 334,975,337,908.11/646,962.44
  6. Step 6: Final answer
    x = 517,766.28

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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.