Home / 901,426.68-1,243,883.52-538,777.80

Finding the Fourth Proportional to 901,426.68, 1,243,883.52 and 538,777.80

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Solution

The fourth proportional to 901,426.68, 1,243,883.52 and 538,777.80 is: 743,462.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,426.68 : 1,243,883.52 = 538,777.80 : x
  2. Step 2: Convert to fraction form
    901,426.68/1,243,883.52 = 538,777.80/x
  3. Step 3: Cross multiply
    901,426.68x = 1,243,883.52 × 538,777.80
  4. Step 4: Simplify right side
    901,426.68x = 670,176,826,361.86
  5. Step 5: Solve for x
    x = 670,176,826,361.86/901,426.68
  6. Step 6: Final answer
    x = 743,462.38

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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.