Home / 810,062.62-1,118,022.88-470,727.70

Finding the Fourth Proportional to 810,062.62, 1,118,022.88 and 470,727.70

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Solution

The fourth proportional to 810,062.62, 1,118,022.88 and 470,727.70 is: 649,683.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,062.62 : 1,118,022.88 = 470,727.70 : x
  2. Step 2: Convert to fraction form
    810,062.62/1,118,022.88 = 470,727.70/x
  3. Step 3: Cross multiply
    810,062.62x = 1,118,022.88 × 470,727.70
  4. Step 4: Simplify right side
    810,062.62x = 526,284,338,849.78
  5. Step 5: Solve for x
    x = 526,284,338,849.78/810,062.62
  6. Step 6: Final answer
    x = 649,683.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.