Home / 914,509.20-1,372,541.40-409,846.80

Finding the Fourth Proportional to 914,509.20, 1,372,541.40 and 409,846.80

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Solution

The fourth proportional to 914,509.20, 1,372,541.40 and 409,846.80 is: 615,118.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,509.20 : 1,372,541.40 = 409,846.80 : x
  2. Step 2: Convert to fraction form
    914,509.20/1,372,541.40 = 409,846.80/x
  3. Step 3: Cross multiply
    914,509.20x = 1,372,541.40 × 409,846.80
  4. Step 4: Simplify right side
    914,509.20x = 562,531,700,657.52
  5. Step 5: Solve for x
    x = 562,531,700,657.52/914,509.20
  6. Step 6: Final answer
    x = 615,118.69

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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.