Home / 907,056.20-1,251,746.94-519,863.22

Finding the Fourth Proportional to 907,056.20, 1,251,746.94 and 519,863.22

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Solution

The fourth proportional to 907,056.20, 1,251,746.94 and 519,863.22 is: 717,416.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,056.20 : 1,251,746.94 = 519,863.22 : x
  2. Step 2: Convert to fraction form
    907,056.20/1,251,746.94 = 519,863.22/x
  3. Step 3: Cross multiply
    907,056.20x = 1,251,746.94 × 519,863.22
  4. Step 4: Simplify right side
    907,056.20x = 650,737,194,853.55
  5. Step 5: Solve for x
    x = 650,737,194,853.55/907,056.20
  6. Step 6: Final answer
    x = 717,416.63

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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.