Home / 949,297.80-1,310,020.95-513,705.60

Finding the Fourth Proportional to 949,297.80, 1,310,020.95 and 513,705.60

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Solution

The fourth proportional to 949,297.80, 1,310,020.95 and 513,705.60 is: 708,908.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,297.80 : 1,310,020.95 = 513,705.60 : x
  2. Step 2: Convert to fraction form
    949,297.80/1,310,020.95 = 513,705.60/x
  3. Step 3: Cross multiply
    949,297.80x = 1,310,020.95 × 513,705.60
  4. Step 4: Simplify right side
    949,297.80x = 672,965,098,132.32
  5. Step 5: Solve for x
    x = 672,965,098,132.32/949,297.80
  6. Step 6: Final answer
    x = 708,908.31

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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.