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Finding the Fourth Proportional to 471,368.40, 650,501.96 and 256,522.08

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Solution

The fourth proportional to 471,368.40, 650,501.96 and 256,522.08 is: 354,007.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,368.40 : 650,501.96 = 256,522.08 : x
  2. Step 2: Convert to fraction form
    471,368.40/650,501.96 = 256,522.08/x
  3. Step 3: Cross multiply
    471,368.40x = 650,501.96 × 256,522.08
  4. Step 4: Simplify right side
    471,368.40x = 166,868,115,823.28
  5. Step 5: Solve for x
    x = 166,868,115,823.28/471,368.40
  6. Step 6: Final answer
    x = 354,007.85

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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.