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Finding the Fourth Proportional to 404,267.60, 606,401.40 and 286,169.60

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Solution

The fourth proportional to 404,267.60, 606,401.40 and 286,169.60 is: 429,254.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,267.60 : 606,401.40 = 286,169.60 : x
  2. Step 2: Convert to fraction form
    404,267.60/606,401.40 = 286,169.60/x
  3. Step 3: Cross multiply
    404,267.60x = 606,401.40 × 286,169.60
  4. Step 4: Simplify right side
    404,267.60x = 173,533,646,077.44
  5. Step 5: Solve for x
    x = 173,533,646,077.44/404,267.60
  6. Step 6: Final answer
    x = 429,254.40

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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.