Home / 751,002.07-1,126,502.88-498,775.03

Finding the Fourth Proportional to 751,002.07, 1,126,502.88 and 498,775.03

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Solution

The fourth proportional to 751,002.07, 1,126,502.88 and 498,775.03 is: 748,162.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,002.07 : 1,126,502.88 = 498,775.03 : x
  2. Step 2: Convert to fraction form
    751,002.07/1,126,502.88 = 498,775.03/x
  3. Step 3: Cross multiply
    751,002.07x = 1,126,502.88 × 498,775.03
  4. Step 4: Simplify right side
    751,002.07x = 561,871,507,767.09
  5. Step 5: Solve for x
    x = 561,871,507,767.09/751,002.07
  6. Step 6: Final answer
    x = 748,162.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.