Home / 788,356.89-1,087,933.56-448,825.14

Finding the Fourth Proportional to 788,356.89, 1,087,933.56 and 448,825.14

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Solution

The fourth proportional to 788,356.89, 1,087,933.56 and 448,825.14 is: 619,379.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,356.89 : 1,087,933.56 = 448,825.14 : x
  2. Step 2: Convert to fraction form
    788,356.89/1,087,933.56 = 448,825.14/x
  3. Step 3: Cross multiply
    788,356.89x = 1,087,933.56 × 448,825.14
  4. Step 4: Simplify right side
    788,356.89x = 488,291,932,377.70
  5. Step 5: Solve for x
    x = 488,291,932,377.70/788,356.89
  6. Step 6: Final answer
    x = 619,379.29

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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.