Home / 949,443.12-1,310,233.20-519,749.55

Finding the Fourth Proportional to 949,443.12, 1,310,233.20 and 519,749.55

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Solution

The fourth proportional to 949,443.12, 1,310,233.20 and 519,749.55 is: 717,255.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,443.12 : 1,310,233.20 = 519,749.55 : x
  2. Step 2: Convert to fraction form
    949,443.12/1,310,233.20 = 519,749.55/x
  3. Step 3: Cross multiply
    949,443.12x = 1,310,233.20 × 519,749.55
  4. Step 4: Simplify right side
    949,443.12x = 680,993,116,095.06
  5. Step 5: Solve for x
    x = 680,993,116,095.06/949,443.12
  6. Step 6: Final answer
    x = 717,255.31

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1.5x scale

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.