Home / 705,122.56-1,055,322.24-578,758.40

Finding the Fourth Proportional to 705,122.56, 1,055,322.24 and 578,758.40

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Solution

The fourth proportional to 705,122.56, 1,055,322.24 and 578,758.40 is: 866,199.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,122.56 : 1,055,322.24 = 578,758.40 : x
  2. Step 2: Convert to fraction form
    705,122.56/1,055,322.24 = 578,758.40/x
  3. Step 3: Cross multiply
    705,122.56x = 1,055,322.24 × 578,758.40
  4. Step 4: Simplify right side
    705,122.56x = 610,776,611,106.82
  5. Step 5: Solve for x
    x = 610,776,611,106.82/705,122.56
  6. Step 6: Final answer
    x = 866,199.22

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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.