Home / 759,538.56-1,138,311.36-558,919.68

Finding the Fourth Proportional to 759,538.56, 1,138,311.36 and 558,919.68

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Solution

The fourth proportional to 759,538.56, 1,138,311.36 and 558,919.68 is: 837,646.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,538.56 : 1,138,311.36 = 558,919.68 : x
  2. Step 2: Convert to fraction form
    759,538.56/1,138,311.36 = 558,919.68/x
  3. Step 3: Cross multiply
    759,538.56x = 1,138,311.36 × 558,919.68
  4. Step 4: Simplify right side
    759,538.56x = 636,224,621,071.57
  5. Step 5: Solve for x
    x = 636,224,621,071.57/759,538.56
  6. Step 6: Final answer
    x = 837,646.24

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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.