Home / 832,089.64-1,248,995.94-512,471.74

Finding the Fourth Proportional to 832,089.64, 1,248,995.94 and 512,471.74

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Solution

The fourth proportional to 832,089.64, 1,248,995.94 and 512,471.74 is: 769,238.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,089.64 : 1,248,995.94 = 512,471.74 : x
  2. Step 2: Convert to fraction form
    832,089.64/1,248,995.94 = 512,471.74/x
  3. Step 3: Cross multiply
    832,089.64x = 1,248,995.94 × 512,471.74
  4. Step 4: Simplify right side
    832,089.64x = 640,075,122,624.74
  5. Step 5: Solve for x
    x = 640,075,122,624.74/832,089.64
  6. Step 6: Final answer
    x = 769,238.18

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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.