Home / 878,293.98-1,316,424.42-403,983.90

Finding the Fourth Proportional to 878,293.98, 1,316,424.42 and 403,983.90

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Solution

The fourth proportional to 878,293.98, 1,316,424.42 and 403,983.90 is: 605,508.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,293.98 : 1,316,424.42 = 403,983.90 : x
  2. Step 2: Convert to fraction form
    878,293.98/1,316,424.42 = 403,983.90/x
  3. Step 3: Cross multiply
    878,293.98x = 1,316,424.42 × 403,983.90
  4. Step 4: Simplify right side
    878,293.98x = 531,814,271,246.84
  5. Step 5: Solve for x
    x = 531,814,271,246.84/878,293.98
  6. Step 6: Final answer
    x = 605,508.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.