Home / 657,849.12-982,013.52-578,135.04

Finding the Fourth Proportional to 657,849.12, 982,013.52 and 578,135.04

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Solution

The fourth proportional to 657,849.12, 982,013.52 and 578,135.04 is: 863,019.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,849.12 : 982,013.52 = 578,135.04 : x
  2. Step 2: Convert to fraction form
    657,849.12/982,013.52 = 578,135.04/x
  3. Step 3: Cross multiply
    657,849.12x = 982,013.52 × 578,135.04
  4. Step 4: Simplify right side
    657,849.12x = 567,736,425,665.74
  5. Step 5: Solve for x
    x = 567,736,425,665.74/657,849.12
  6. Step 6: Final answer
    x = 863,019.21

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.