Home / 442,941.60-664,412.40-255,734.40

Finding the Fourth Proportional to 442,941.60, 664,412.40 and 255,734.40

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Solution

The fourth proportional to 442,941.60, 664,412.40 and 255,734.40 is: 383,601.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,941.60 : 664,412.40 = 255,734.40 : x
  2. Step 2: Convert to fraction form
    442,941.60/664,412.40 = 255,734.40/x
  3. Step 3: Cross multiply
    442,941.60x = 664,412.40 × 255,734.40
  4. Step 4: Simplify right side
    442,941.60x = 169,913,106,466.56
  5. Step 5: Solve for x
    x = 169,913,106,466.56/442,941.60
  6. Step 6: Final answer
    x = 383,601.60

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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.