Home / 486,864.33-671,860.40-272,006.01

Finding the Fourth Proportional to 486,864.33, 671,860.40 and 272,006.01

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Solution

The fourth proportional to 486,864.33, 671,860.40 and 272,006.01 is: 375,361.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,864.33 : 671,860.40 = 272,006.01 : x
  2. Step 2: Convert to fraction form
    486,864.33/671,860.40 = 272,006.01/x
  3. Step 3: Cross multiply
    486,864.33x = 671,860.40 × 272,006.01
  4. Step 4: Simplify right side
    486,864.33x = 182,750,065,320.97
  5. Step 5: Solve for x
    x = 182,750,065,320.97/486,864.33
  6. Step 6: Final answer
    x = 375,361.38

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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.