Home / 790,486.88-1,185,919.28-258,008.92

Finding the Fourth Proportional to 790,486.88, 1,185,919.28 and 258,008.92

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Solution

The fourth proportional to 790,486.88, 1,185,919.28 and 258,008.92 is: 387,075.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,486.88 : 1,185,919.28 = 258,008.92 : x
  2. Step 2: Convert to fraction form
    790,486.88/1,185,919.28 = 258,008.92/x
  3. Step 3: Cross multiply
    790,486.88x = 1,185,919.28 × 258,008.92
  4. Step 4: Simplify right side
    790,486.88x = 305,977,752,639.98
  5. Step 5: Solve for x
    x = 305,977,752,639.98/790,486.88
  6. Step 6: Final answer
    x = 387,075.06

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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.