Home / 899,108.94-1,349,329.11-425,795.70

Finding the Fourth Proportional to 899,108.94, 1,349,329.11 and 425,795.70

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Solution

The fourth proportional to 899,108.94, 1,349,329.11 and 425,795.70 is: 639,008.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,108.94 : 1,349,329.11 = 425,795.70 : x
  2. Step 2: Convert to fraction form
    899,108.94/1,349,329.11 = 425,795.70/x
  3. Step 3: Cross multiply
    899,108.94x = 1,349,329.11 × 425,795.70
  4. Step 4: Simplify right side
    899,108.94x = 574,538,532,922.83
  5. Step 5: Solve for x
    x = 574,538,532,922.83/899,108.94
  6. Step 6: Final answer
    x = 639,008.81

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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.