Home / 740,736.65-1,022,299.54-418,467.51

Finding the Fourth Proportional to 740,736.65, 1,022,299.54 and 418,467.51

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Solution

The fourth proportional to 740,736.65, 1,022,299.54 and 418,467.51 is: 577,532.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,736.65 : 1,022,299.54 = 418,467.51 : x
  2. Step 2: Convert to fraction form
    740,736.65/1,022,299.54 = 418,467.51/x
  3. Step 3: Cross multiply
    740,736.65x = 1,022,299.54 × 418,467.51
  4. Step 4: Simplify right side
    740,736.65x = 427,799,141,931.78
  5. Step 5: Solve for x
    x = 427,799,141,931.78/740,736.65
  6. Step 6: Final answer
    x = 577,532.03

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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.