Home / 949,985.88-1,310,951.16-520,254.96

Finding the Fourth Proportional to 949,985.88, 1,310,951.16 and 520,254.96

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Solution

The fourth proportional to 949,985.88, 1,310,951.16 and 520,254.96 is: 717,935.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,985.88 : 1,310,951.16 = 520,254.96 : x
  2. Step 2: Convert to fraction form
    949,985.88/1,310,951.16 = 520,254.96/x
  3. Step 3: Cross multiply
    949,985.88x = 1,310,951.16 × 520,254.96
  4. Step 4: Simplify right side
    949,985.88x = 682,028,843,307.75
  5. Step 5: Solve for x
    x = 682,028,843,307.75/949,985.88
  6. Step 6: Final answer
    x = 717,935.77

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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.