Home / 949,563.45-1,310,397.35-513,980.72

Finding the Fourth Proportional to 949,563.45, 1,310,397.35 and 513,980.72

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Solution

The fourth proportional to 949,563.45, 1,310,397.35 and 513,980.72 is: 709,293.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,563.45 : 1,310,397.35 = 513,980.72 : x
  2. Step 2: Convert to fraction form
    949,563.45/1,310,397.35 = 513,980.72/x
  3. Step 3: Cross multiply
    949,563.45x = 1,310,397.35 × 513,980.72
  4. Step 4: Simplify right side
    949,563.45x = 673,518,964,317.20
  5. Step 5: Solve for x
    x = 673,518,964,317.20/949,563.45
  6. Step 6: Final answer
    x = 709,293.27

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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.