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Finding the Fourth Proportional to 606,906.30, 910,359.45 and 603,407.10

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Solution

The fourth proportional to 606,906.30, 910,359.45 and 603,407.10 is: 905,110.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,906.30 : 910,359.45 = 603,407.10 : x
  2. Step 2: Convert to fraction form
    606,906.30/910,359.45 = 603,407.10/x
  3. Step 3: Cross multiply
    606,906.30x = 910,359.45 × 603,407.10
  4. Step 4: Simplify right side
    606,906.30x = 549,317,355,682.10
  5. Step 5: Solve for x
    x = 549,317,355,682.10/606,906.30
  6. Step 6: Final answer
    x = 905,110.65

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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.