Home / 729,926.79-1,007,226.99-407,629.95

Finding the Fourth Proportional to 729,926.79, 1,007,226.99 and 407,629.95

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Solution

The fourth proportional to 729,926.79, 1,007,226.99 and 407,629.95 is: 562,489.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,926.79 : 1,007,226.99 = 407,629.95 : x
  2. Step 2: Convert to fraction form
    729,926.79/1,007,226.99 = 407,629.95/x
  3. Step 3: Cross multiply
    729,926.79x = 1,007,226.99 × 407,629.95
  4. Step 4: Simplify right side
    729,926.79x = 410,575,887,572.35
  5. Step 5: Solve for x
    x = 410,575,887,572.35/729,926.79
  6. Step 6: Final answer
    x = 562,489.13

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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.