Home / 389,621.60-584,432.40-301,048.10

Finding the Fourth Proportional to 389,621.60, 584,432.40 and 301,048.10

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Solution

The fourth proportional to 389,621.60, 584,432.40 and 301,048.10 is: 451,572.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,621.60 : 584,432.40 = 301,048.10 : x
  2. Step 2: Convert to fraction form
    389,621.60/584,432.40 = 301,048.10/x
  3. Step 3: Cross multiply
    389,621.60x = 584,432.40 × 301,048.10
  4. Step 4: Simplify right side
    389,621.60x = 175,942,263,598.44
  5. Step 5: Solve for x
    x = 175,942,263,598.44/389,621.60
  6. Step 6: Final answer
    x = 451,572.15

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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.