Home / 751,287.47-1,036,724.51-445,348.04

Finding the Fourth Proportional to 751,287.47, 1,036,724.51 and 445,348.04

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Solution

The fourth proportional to 751,287.47, 1,036,724.51 and 445,348.04 is: 614,549.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,287.47 : 1,036,724.51 = 445,348.04 : x
  2. Step 2: Convert to fraction form
    751,287.47/1,036,724.51 = 445,348.04/x
  3. Step 3: Cross multiply
    751,287.47x = 1,036,724.51 × 445,348.04
  4. Step 4: Simplify right side
    751,287.47x = 461,703,228,548.46
  5. Step 5: Solve for x
    x = 461,703,228,548.46/751,287.47
  6. Step 6: Final answer
    x = 614,549.35

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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.