Home / 869,388.60-1,303,162.32-292,462.56

Finding the Fourth Proportional to 869,388.60, 1,303,162.32 and 292,462.56

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Solution

The fourth proportional to 869,388.60, 1,303,162.32 and 292,462.56 is: 438,384.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,388.60 : 1,303,162.32 = 292,462.56 : x
  2. Step 2: Convert to fraction form
    869,388.60/1,303,162.32 = 292,462.56/x
  3. Step 3: Cross multiply
    869,388.60x = 1,303,162.32 × 292,462.56
  4. Step 4: Simplify right side
    869,388.60x = 381,126,188,202.74
  5. Step 5: Solve for x
    x = 381,126,188,202.74/869,388.60
  6. Step 6: Final answer
    x = 438,384.16

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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.