Home / 757,272.22-1,045,038.65-413,115.50

Finding the Fourth Proportional to 757,272.22, 1,045,038.65 and 413,115.50

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Solution

The fourth proportional to 757,272.22, 1,045,038.65 and 413,115.50 is: 570,101.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,272.22 : 1,045,038.65 = 413,115.50 : x
  2. Step 2: Convert to fraction form
    757,272.22/1,045,038.65 = 413,115.50/x
  3. Step 3: Cross multiply
    757,272.22x = 1,045,038.65 × 413,115.50
  4. Step 4: Simplify right side
    757,272.22x = 431,721,664,961.09
  5. Step 5: Solve for x
    x = 431,721,664,961.09/757,272.22
  6. Step 6: Final answer
    x = 570,101.02

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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.