Home / 744,917.58-1,027,915.02-418,155.66

Finding the Fourth Proportional to 744,917.58, 1,027,915.02 and 418,155.66

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Solution

The fourth proportional to 744,917.58, 1,027,915.02 and 418,155.66 is: 577,014.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,917.58 : 1,027,915.02 = 418,155.66 : x
  2. Step 2: Convert to fraction form
    744,917.58/1,027,915.02 = 418,155.66/x
  3. Step 3: Cross multiply
    744,917.58x = 1,027,915.02 × 418,155.66
  4. Step 4: Simplify right side
    744,917.58x = 429,828,483,612.01
  5. Step 5: Solve for x
    x = 429,828,483,612.01/744,917.58
  6. Step 6: Final answer
    x = 577,014.82

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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.