Home / 646,943.13-892,785.16-375,172.38

Finding the Fourth Proportional to 646,943.13, 892,785.16 and 375,172.38

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Solution

The fourth proportional to 646,943.13, 892,785.16 and 375,172.38 is: 517,740.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,943.13 : 892,785.16 = 375,172.38 : x
  2. Step 2: Convert to fraction form
    646,943.13/892,785.16 = 375,172.38/x
  3. Step 3: Cross multiply
    646,943.13x = 892,785.16 × 375,172.38
  4. Step 4: Simplify right side
    646,943.13x = 334,948,333,305.88
  5. Step 5: Solve for x
    x = 334,948,333,305.88/646,943.13
  6. Step 6: Final answer
    x = 517,740.00

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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.