Home / 845,571.87-1,266,667.86-508,427.91

Finding the Fourth Proportional to 845,571.87, 1,266,667.86 and 508,427.91

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Solution

The fourth proportional to 845,571.87, 1,266,667.86 and 508,427.91 is: 761,625.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,571.87 : 1,266,667.86 = 508,427.91 : x
  2. Step 2: Convert to fraction form
    845,571.87/1,266,667.86 = 508,427.91/x
  3. Step 3: Cross multiply
    845,571.87x = 1,266,667.86 × 508,427.91
  4. Step 4: Simplify right side
    845,571.87x = 644,009,292,723.97
  5. Step 5: Solve for x
    x = 644,009,292,723.97/845,571.87
  6. Step 6: Final answer
    x = 761,625.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.