Home / 788,112.88-1,087,596.98-448,581.13

Finding the Fourth Proportional to 788,112.88, 1,087,596.98 and 448,581.13

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Solution

The fourth proportional to 788,112.88, 1,087,596.98 and 448,581.13 is: 619,042.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,112.88 : 1,087,596.98 = 448,581.13 : x
  2. Step 2: Convert to fraction form
    788,112.88/1,087,596.98 = 448,581.13/x
  3. Step 3: Cross multiply
    788,112.88x = 1,087,596.98 × 448,581.13
  4. Step 4: Simplify right side
    788,112.88x = 487,875,482,272.99
  5. Step 5: Solve for x
    x = 487,875,482,272.99/788,112.88
  6. Step 6: Final answer
    x = 619,042.65

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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.