Home / 788,577.70-1,087,104.18-561,829.54

Finding the Fourth Proportional to 788,577.70, 1,087,104.18 and 561,829.54

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Solution

The fourth proportional to 788,577.70, 1,087,104.18 and 561,829.54 is: 774,517.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,577.70 : 1,087,104.18 = 561,829.54 : x
  2. Step 2: Convert to fraction form
    788,577.70/1,087,104.18 = 561,829.54/x
  3. Step 3: Cross multiply
    788,577.70x = 1,087,104.18 × 561,829.54
  4. Step 4: Simplify right side
    788,577.70x = 610,767,241,381.48
  5. Step 5: Solve for x
    x = 610,767,241,381.48/788,577.70
  6. Step 6: Final answer
    x = 774,517.52

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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.