Home / 921,226.13-1,381,560.34-322,075.61

Finding the Fourth Proportional to 921,226.13, 1,381,560.34 and 322,075.61

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Solution

The fourth proportional to 921,226.13, 1,381,560.34 and 322,075.61 is: 483,015.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,226.13 : 1,381,560.34 = 322,075.61 : x
  2. Step 2: Convert to fraction form
    921,226.13/1,381,560.34 = 322,075.61/x
  3. Step 3: Cross multiply
    921,226.13x = 1,381,560.34 × 322,075.61
  4. Step 4: Simplify right side
    921,226.13x = 444,966,882,349.51
  5. Step 5: Solve for x
    x = 444,966,882,349.51/921,226.13
  6. Step 6: Final answer
    x = 483,015.92

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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.