Home / 787,430.61-1,181,334.06-254,952.23

Finding the Fourth Proportional to 787,430.61, 1,181,334.06 and 254,952.23

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Solution

The fourth proportional to 787,430.61, 1,181,334.06 and 254,952.23 is: 382,489.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,430.61 : 1,181,334.06 = 254,952.23 : x
  2. Step 2: Convert to fraction form
    787,430.61/1,181,334.06 = 254,952.23/x
  3. Step 3: Cross multiply
    787,430.61x = 1,181,334.06 × 254,952.23
  4. Step 4: Simplify right side
    787,430.61x = 301,183,747,065.28
  5. Step 5: Solve for x
    x = 301,183,747,065.28/787,430.61
  6. Step 6: Final answer
    x = 382,489.25

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Double scale
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Similar ratio
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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.