Home / 755,237.43-1,042,227.95-415,703.25

Finding the Fourth Proportional to 755,237.43, 1,042,227.95 and 415,703.25

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Solution

The fourth proportional to 755,237.43, 1,042,227.95 and 415,703.25 is: 573,670.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,237.43 : 1,042,227.95 = 415,703.25 : x
  2. Step 2: Convert to fraction form
    755,237.43/1,042,227.95 = 415,703.25/x
  3. Step 3: Cross multiply
    755,237.43x = 1,042,227.95 × 415,703.25
  4. Step 4: Simplify right side
    755,237.43x = 433,257,543,977.32
  5. Step 5: Solve for x
    x = 433,257,543,977.32/755,237.43
  6. Step 6: Final answer
    x = 573,670.65

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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.