Home / 676,914.72-934,172.64-375,089.28

Finding the Fourth Proportional to 676,914.72, 934,172.64 and 375,089.28

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Solution

The fourth proportional to 676,914.72, 934,172.64 and 375,089.28 is: 517,640.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,914.72 : 934,172.64 = 375,089.28 : x
  2. Step 2: Convert to fraction form
    676,914.72/934,172.64 = 375,089.28/x
  3. Step 3: Cross multiply
    676,914.72x = 934,172.64 × 375,089.28
  4. Step 4: Simplify right side
    676,914.72x = 350,398,142,933.30
  5. Step 5: Solve for x
    x = 350,398,142,933.30/676,914.72
  6. Step 6: Final answer
    x = 517,640.01

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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.