Home / 875,848.20-1,313,772.30-314,939.40

Finding the Fourth Proportional to 875,848.20, 1,313,772.30 and 314,939.40

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Solution

The fourth proportional to 875,848.20, 1,313,772.30 and 314,939.40 is: 472,409.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,848.20 : 1,313,772.30 = 314,939.40 : x
  2. Step 2: Convert to fraction form
    875,848.20/1,313,772.30 = 314,939.40/x
  3. Step 3: Cross multiply
    875,848.20x = 1,313,772.30 × 314,939.40
  4. Step 4: Simplify right side
    875,848.20x = 413,758,659,898.62
  5. Step 5: Solve for x
    x = 413,758,659,898.62/875,848.20
  6. Step 6: Final answer
    x = 472,409.10

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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.