Home / 787,656.70-1,181,485.05-366,975.10

Finding the Fourth Proportional to 787,656.70, 1,181,485.05 and 366,975.10

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Solution

The fourth proportional to 787,656.70, 1,181,485.05 and 366,975.10 is: 550,462.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,656.70 : 1,181,485.05 = 366,975.10 : x
  2. Step 2: Convert to fraction form
    787,656.70/1,181,485.05 = 366,975.10/x
  3. Step 3: Cross multiply
    787,656.70x = 1,181,485.05 × 366,975.10
  4. Step 4: Simplify right side
    787,656.70x = 433,575,594,372.26
  5. Step 5: Solve for x
    x = 433,575,594,372.26/787,656.70
  6. Step 6: Final answer
    x = 550,462.65

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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.