Home / 740,962.96-1,022,696.58-418,859.98

Finding the Fourth Proportional to 740,962.96, 1,022,696.58 and 418,859.98

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Solution

The fourth proportional to 740,962.96, 1,022,696.58 and 418,859.98 is: 578,121.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,962.96 : 1,022,696.58 = 418,859.98 : x
  2. Step 2: Convert to fraction form
    740,962.96/1,022,696.58 = 418,859.98/x
  3. Step 3: Cross multiply
    740,962.96x = 1,022,696.58 × 418,859.98
  4. Step 4: Simplify right side
    740,962.96x = 428,366,668,058.85
  5. Step 5: Solve for x
    x = 428,366,668,058.85/740,962.96
  6. Step 6: Final answer
    x = 578,121.57

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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.