Home / 788,651.52-1,087,206.24-561,903.36

Finding the Fourth Proportional to 788,651.52, 1,087,206.24 and 561,903.36

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Solution

The fourth proportional to 788,651.52, 1,087,206.24 and 561,903.36 is: 774,619.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,651.52 : 1,087,206.24 = 561,903.36 : x
  2. Step 2: Convert to fraction form
    788,651.52/1,087,206.24 = 561,903.36/x
  3. Step 3: Cross multiply
    788,651.52x = 1,087,206.24 × 561,903.36
  4. Step 4: Simplify right side
    788,651.52x = 610,904,839,268.97
  5. Step 5: Solve for x
    x = 610,904,839,268.97/788,651.52
  6. Step 6: Final answer
    x = 774,619.49

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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.