Home / 740,971.65-1,022,527.56-418,674.88

Finding the Fourth Proportional to 740,971.65, 1,022,527.56 and 418,674.88

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Solution

The fourth proportional to 740,971.65, 1,022,527.56 and 418,674.88 is: 577,763.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,971.65 : 1,022,527.56 = 418,674.88 : x
  2. Step 2: Convert to fraction form
    740,971.65/1,022,527.56 = 418,674.88/x
  3. Step 3: Cross multiply
    740,971.65x = 1,022,527.56 × 418,674.88
  4. Step 4: Simplify right side
    740,971.65x = 428,106,603,479.69
  5. Step 5: Solve for x
    x = 428,106,603,479.69/740,971.65
  6. Step 6: Final answer
    x = 577,763.81

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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.