Home / 810,362.40-1,118,072.24-466,180.32

Finding the Fourth Proportional to 810,362.40, 1,118,072.24 and 466,180.32

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Solution

The fourth proportional to 810,362.40, 1,118,072.24 and 466,180.32 is: 643,197.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,362.40 : 1,118,072.24 = 466,180.32 : x
  2. Step 2: Convert to fraction form
    810,362.40/1,118,072.24 = 466,180.32/x
  3. Step 3: Cross multiply
    810,362.40x = 1,118,072.24 × 466,180.32
  4. Step 4: Simplify right side
    810,362.40x = 521,223,274,626.32
  5. Step 5: Solve for x
    x = 521,223,274,626.32/810,362.40
  6. Step 6: Final answer
    x = 643,197.75

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Double scale
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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.