Home / 724,165.17-999,382.02-401,877.93

Finding the Fourth Proportional to 724,165.17, 999,382.02 and 401,877.93

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Solution

The fourth proportional to 724,165.17, 999,382.02 and 401,877.93 is: 554,610.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,165.17 : 999,382.02 = 401,877.93 : x
  2. Step 2: Convert to fraction form
    724,165.17/999,382.02 = 401,877.93/x
  3. Step 3: Cross multiply
    724,165.17x = 999,382.02 × 401,877.93
  4. Step 4: Simplify right side
    724,165.17x = 401,629,577,476.82
  5. Step 5: Solve for x
    x = 401,629,577,476.82/724,165.17
  6. Step 6: Final answer
    x = 554,610.46

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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.