Home / 500,769.28-751,155.20-126,792.32

Finding the Fourth Proportional to 500,769.28, 751,155.20 and 126,792.32

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Solution

The fourth proportional to 500,769.28, 751,155.20 and 126,792.32 is: 190,188.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,769.28 : 751,155.20 = 126,792.32 : x
  2. Step 2: Convert to fraction form
    500,769.28/751,155.20 = 126,792.32/x
  3. Step 3: Cross multiply
    500,769.28x = 751,155.20 × 126,792.32
  4. Step 4: Simplify right side
    500,769.28x = 95,240,710,488.06
  5. Step 5: Solve for x
    x = 95,240,710,488.06/500,769.28
  6. Step 6: Final answer
    x = 190,188.80

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1.5x scale

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.