Home / 672,160.84-927,290.50-400,076.17

Finding the Fourth Proportional to 672,160.84, 927,290.50 and 400,076.17

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Solution

The fourth proportional to 672,160.84, 927,290.50 and 400,076.17 is: 551,931.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,160.84 : 927,290.50 = 400,076.17 : x
  2. Step 2: Convert to fraction form
    672,160.84/927,290.50 = 400,076.17/x
  3. Step 3: Cross multiply
    672,160.84x = 927,290.50 × 400,076.17
  4. Step 4: Simplify right side
    672,160.84x = 370,986,831,717.39
  5. Step 5: Solve for x
    x = 370,986,831,717.39/672,160.84
  6. Step 6: Final answer
    x = 551,931.64

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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.