Home / 867,620.40-1,301,430.60-447,716.40

Finding the Fourth Proportional to 867,620.40, 1,301,430.60 and 447,716.40

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Solution

The fourth proportional to 867,620.40, 1,301,430.60 and 447,716.40 is: 671,574.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,620.40 : 1,301,430.60 = 447,716.40 : x
  2. Step 2: Convert to fraction form
    867,620.40/1,301,430.60 = 447,716.40/x
  3. Step 3: Cross multiply
    867,620.40x = 1,301,430.60 × 447,716.40
  4. Step 4: Simplify right side
    867,620.40x = 582,671,823,081.84
  5. Step 5: Solve for x
    x = 582,671,823,081.84/867,620.40
  6. Step 6: Final answer
    x = 671,574.60

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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.