Home / 788,110.13-1,087,593.19-448,578.38

Finding the Fourth Proportional to 788,110.13, 1,087,593.19 and 448,578.38

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Solution

The fourth proportional to 788,110.13, 1,087,593.19 and 448,578.38 is: 619,038.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,110.13 : 1,087,593.19 = 448,578.38 : x
  2. Step 2: Convert to fraction form
    788,110.13/1,087,593.19 = 448,578.38/x
  3. Step 3: Cross multiply
    788,110.13x = 1,087,593.19 × 448,578.38
  4. Step 4: Simplify right side
    788,110.13x = 487,870,784,709.82
  5. Step 5: Solve for x
    x = 487,870,784,709.82/788,110.13
  6. Step 6: Final answer
    x = 619,038.85

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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.