Home / 729,925.24-1,007,298.99-407,647.55

Finding the Fourth Proportional to 729,925.24, 1,007,298.99 and 407,647.55

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Solution

The fourth proportional to 729,925.24, 1,007,298.99 and 407,647.55 is: 562,554.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,925.24 : 1,007,298.99 = 407,647.55 : x
  2. Step 2: Convert to fraction form
    729,925.24/1,007,298.99 = 407,647.55/x
  3. Step 3: Cross multiply
    729,925.24x = 1,007,298.99 × 407,647.55
  4. Step 4: Simplify right side
    729,925.24x = 410,622,967,909.22
  5. Step 5: Solve for x
    x = 410,622,967,909.22/729,925.24
  6. Step 6: Final answer
    x = 562,554.83

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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.