Home / 949,282.75-1,310,005.43-513,699.78

Finding the Fourth Proportional to 949,282.75, 1,310,005.43 and 513,699.78

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Solution

The fourth proportional to 949,282.75, 1,310,005.43 and 513,699.78 is: 708,903.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,282.75 : 1,310,005.43 = 513,699.78 : x
  2. Step 2: Convert to fraction form
    949,282.75/1,310,005.43 = 513,699.78/x
  3. Step 3: Cross multiply
    949,282.75x = 1,310,005.43 × 513,699.78
  4. Step 4: Simplify right side
    949,282.75x = 672,949,501,189.81
  5. Step 5: Solve for x
    x = 672,949,501,189.81/949,282.75
  6. Step 6: Final answer
    x = 708,903.12

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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.