Home / 949,239.08-1,309,980.42-519,518.69

Finding the Fourth Proportional to 949,239.08, 1,309,980.42 and 519,518.69

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Solution

The fourth proportional to 949,239.08, 1,309,980.42 and 519,518.69 is: 716,952.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,239.08 : 1,309,980.42 = 519,518.69 : x
  2. Step 2: Convert to fraction form
    949,239.08/1,309,980.42 = 519,518.69/x
  3. Step 3: Cross multiply
    949,239.08x = 1,309,980.42 × 519,518.69
  4. Step 4: Simplify right side
    949,239.08x = 680,559,305,174.15
  5. Step 5: Solve for x
    x = 680,559,305,174.15/949,239.08
  6. Step 6: Final answer
    x = 716,952.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.