Home / 764,088.69-1,146,067.02-258,638.85

Finding the Fourth Proportional to 764,088.69, 1,146,067.02 and 258,638.85

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Solution

The fourth proportional to 764,088.69, 1,146,067.02 and 258,638.85 is: 387,935.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,088.69 : 1,146,067.02 = 258,638.85 : x
  2. Step 2: Convert to fraction form
    764,088.69/1,146,067.02 = 258,638.85/x
  3. Step 3: Cross multiply
    764,088.69x = 1,146,067.02 × 258,638.85
  4. Step 4: Simplify right side
    764,088.69x = 296,417,456,075.73
  5. Step 5: Solve for x
    x = 296,417,456,075.73/764,088.69
  6. Step 6: Final answer
    x = 387,935.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.