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Finding the Fourth Proportional to 610,113.60, 914,911.20 and 294,667.20

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Solution

The fourth proportional to 610,113.60, 914,911.20 and 294,667.20 is: 441,875.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,113.60 : 914,911.20 = 294,667.20 : x
  2. Step 2: Convert to fraction form
    610,113.60/914,911.20 = 294,667.20/x
  3. Step 3: Cross multiply
    610,113.60x = 914,911.20 × 294,667.20
  4. Step 4: Simplify right side
    610,113.60x = 269,594,321,552.64
  5. Step 5: Solve for x
    x = 269,594,321,552.64/610,113.60
  6. Step 6: Final answer
    x = 441,875.61

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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.