Home / 788,577.72-1,087,104.16-561,829.56

Finding the Fourth Proportional to 788,577.72, 1,087,104.16 and 561,829.56

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Solution

The fourth proportional to 788,577.72, 1,087,104.16 and 561,829.56 is: 774,517.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,577.72 : 1,087,104.16 = 561,829.56 : x
  2. Step 2: Convert to fraction form
    788,577.72/1,087,104.16 = 561,829.56/x
  3. Step 3: Cross multiply
    788,577.72x = 1,087,104.16 × 561,829.56
  4. Step 4: Simplify right side
    788,577.72x = 610,767,251,886.97
  5. Step 5: Solve for x
    x = 610,767,251,886.97/788,577.72
  6. Step 6: Final answer
    x = 774,517.51

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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.