Home / 788,574.70-1,087,100.04-561,826.54

Finding the Fourth Proportional to 788,574.70, 1,087,100.04 and 561,826.54

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Solution

The fourth proportional to 788,574.70, 1,087,100.04 and 561,826.54 is: 774,513.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,574.70 : 1,087,100.04 = 561,826.54 : x
  2. Step 2: Convert to fraction form
    788,574.70/1,087,100.04 = 561,826.54/x
  3. Step 3: Cross multiply
    788,574.70x = 1,087,100.04 × 561,826.54
  4. Step 4: Simplify right side
    788,574.70x = 610,761,654,107.06
  5. Step 5: Solve for x
    x = 610,761,654,107.06/788,574.70
  6. Step 6: Final answer
    x = 774,513.38

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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.