Home / 980,615.70-1,470,923.55-349,301.70

Finding the Fourth Proportional to 980,615.70, 1,470,923.55 and 349,301.70

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Solution

The fourth proportional to 980,615.70, 1,470,923.55 and 349,301.70 is: 523,952.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,615.70 : 1,470,923.55 = 349,301.70 : x
  2. Step 2: Convert to fraction form
    980,615.70/1,470,923.55 = 349,301.70/x
  3. Step 3: Cross multiply
    980,615.70x = 1,470,923.55 × 349,301.70
  4. Step 4: Simplify right side
    980,615.70x = 513,796,096,585.04
  5. Step 5: Solve for x
    x = 513,796,096,585.04/980,615.70
  6. Step 6: Final answer
    x = 523,952.55

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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.