Home / 751,286.47-1,036,723.13-445,347.04

Finding the Fourth Proportional to 751,286.47, 1,036,723.13 and 445,347.04

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Solution

The fourth proportional to 751,286.47, 1,036,723.13 and 445,347.04 is: 614,547.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,286.47 : 1,036,723.13 = 445,347.04 : x
  2. Step 2: Convert to fraction form
    751,286.47/1,036,723.13 = 445,347.04/x
  3. Step 3: Cross multiply
    751,286.47x = 1,036,723.13 × 445,347.04
  4. Step 4: Simplify right side
    751,286.47x = 461,701,574,096.54
  5. Step 5: Solve for x
    x = 461,701,574,096.54/751,286.47
  6. Step 6: Final answer
    x = 614,547.97

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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.