Home / 918,473.42-1,377,736.06-253,625.42

Finding the Fourth Proportional to 918,473.42, 1,377,736.06 and 253,625.42

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Solution

The fourth proportional to 918,473.42, 1,377,736.06 and 253,625.42 is: 380,445.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,473.42 : 1,377,736.06 = 253,625.42 : x
  2. Step 2: Convert to fraction form
    918,473.42/1,377,736.06 = 253,625.42/x
  3. Step 3: Cross multiply
    918,473.42x = 1,377,736.06 × 253,625.42
  4. Step 4: Simplify right side
    918,473.42x = 349,428,886,866.65
  5. Step 5: Solve for x
    x = 349,428,886,866.65/918,473.42
  6. Step 6: Final answer
    x = 380,445.29

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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.