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Finding the Fourth Proportional to 606,167.40, 909,801.90 and 306,856.20

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Solution

The fourth proportional to 606,167.40, 909,801.90 and 306,856.20 is: 460,563.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,167.40 : 909,801.90 = 306,856.20 : x
  2. Step 2: Convert to fraction form
    606,167.40/909,801.90 = 306,856.20/x
  3. Step 3: Cross multiply
    606,167.40x = 909,801.90 × 306,856.20
  4. Step 4: Simplify right side
    606,167.40x = 279,178,353,786.78
  5. Step 5: Solve for x
    x = 279,178,353,786.78/606,167.40
  6. Step 6: Final answer
    x = 460,563.13

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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.