Home / 751,007.07-1,126,510.38-498,780

Finding the Fourth Proportional to 751,007.07, 1,126,510.38 and 498,780

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Solution

The fourth proportional to 751,007.07, 1,126,510.38 and 498,780 is: 748,169.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,007.07 : 1,126,510.38 = 498,780 : x
  2. Step 2: Convert to fraction form
    751,007.07/1,126,510.38 = 498,780/x
  3. Step 3: Cross multiply
    751,007.07x = 1,126,510.38 × 498,780
  4. Step 4: Simplify right side
    751,007.07x = 561,880,847,336.40
  5. Step 5: Solve for x
    x = 561,880,847,336.40/751,007.07
  6. Step 6: Final answer
    x = 748,169.85

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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.