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Finding the Fourth Proportional to 471,692.08, 650,919.90 and 256,830.40

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Solution

The fourth proportional to 471,692.08, 650,919.90 and 256,830.40 is: 354,417.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,692.08 : 650,919.90 = 256,830.40 : x
  2. Step 2: Convert to fraction form
    471,692.08/650,919.90 = 256,830.40/x
  3. Step 3: Cross multiply
    471,692.08x = 650,919.90 × 256,830.40
  4. Step 4: Simplify right side
    471,692.08x = 167,176,018,284.96
  5. Step 5: Solve for x
    x = 167,176,018,284.96/471,692.08
  6. Step 6: Final answer
    x = 354,417.69

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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.