Home / 729,974.86-1,007,344.83-407,675.50

Finding the Fourth Proportional to 729,974.86, 1,007,344.83 and 407,675.50

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Solution

The fourth proportional to 729,974.86, 1,007,344.83 and 407,675.50 is: 562,580.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,974.86 : 1,007,344.83 = 407,675.50 : x
  2. Step 2: Convert to fraction form
    729,974.86/1,007,344.83 = 407,675.50/x
  3. Step 3: Cross multiply
    729,974.86x = 1,007,344.83 × 407,675.50
  4. Step 4: Simplify right side
    729,974.86x = 410,669,807,242.67
  5. Step 5: Solve for x
    x = 410,669,807,242.67/729,974.86
  6. Step 6: Final answer
    x = 562,580.75

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1.5x scale

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.