Home / 676,916.72-934,175.40-375,091.28

Finding the Fourth Proportional to 676,916.72, 934,175.40 and 375,091.28

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Solution

The fourth proportional to 676,916.72, 934,175.40 and 375,091.28 is: 517,642.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,916.72 : 934,175.40 = 375,091.28 : x
  2. Step 2: Convert to fraction form
    676,916.72/934,175.40 = 375,091.28/x
  3. Step 3: Cross multiply
    676,916.72x = 934,175.40 × 375,091.28
  4. Step 4: Simplify right side
    676,916.72x = 350,401,046,530.51
  5. Step 5: Solve for x
    x = 350,401,046,530.51/676,916.72
  6. Step 6: Final answer
    x = 517,642.77

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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.