Home / 724,282.66-999,490.86-401,984.44

Finding the Fourth Proportional to 724,282.66, 999,490.86 and 401,984.44

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Solution

The fourth proportional to 724,282.66, 999,490.86 and 401,984.44 is: 554,727.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,282.66 : 999,490.86 = 401,984.44 : x
  2. Step 2: Convert to fraction form
    724,282.66/999,490.86 = 401,984.44/x
  3. Step 3: Cross multiply
    724,282.66x = 999,490.86 × 401,984.44
  4. Step 4: Simplify right side
    724,282.66x = 401,779,773,642.22
  5. Step 5: Solve for x
    x = 401,779,773,642.22/724,282.66
  6. Step 6: Final answer
    x = 554,727.87

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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.