Home / 829,447.95-1,144,824.86-542,801.96

Finding the Fourth Proportional to 829,447.95, 1,144,824.86 and 542,801.96

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Solution

The fourth proportional to 829,447.95, 1,144,824.86 and 542,801.96 is: 749,188.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,447.95 : 1,144,824.86 = 542,801.96 : x
  2. Step 2: Convert to fraction form
    829,447.95/1,144,824.86 = 542,801.96/x
  3. Step 3: Cross multiply
    829,447.95x = 1,144,824.86 × 542,801.96
  4. Step 4: Simplify right side
    829,447.95x = 621,413,169,426.59
  5. Step 5: Solve for x
    x = 621,413,169,426.59/829,447.95
  6. Step 6: Final answer
    x = 749,188.87

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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.