Home / 757,310.01-1,136,027.54-545,065.75

Finding the Fourth Proportional to 757,310.01, 1,136,027.54 and 545,065.75

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Solution

The fourth proportional to 757,310.01, 1,136,027.54 and 545,065.75 is: 817,643.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,310.01 : 1,136,027.54 = 545,065.75 : x
  2. Step 2: Convert to fraction form
    757,310.01/1,136,027.54 = 545,065.75/x
  3. Step 3: Cross multiply
    757,310.01x = 1,136,027.54 × 545,065.75
  4. Step 4: Simplify right side
    757,310.01x = 619,209,703,110.76
  5. Step 5: Solve for x
    x = 619,209,703,110.76/757,310.01
  6. Step 6: Final answer
    x = 817,643.63

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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.