Home / 673,314.78-1,009,970.88-392,635.20

Finding the Fourth Proportional to 673,314.78, 1,009,970.88 and 392,635.20

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Solution

The fourth proportional to 673,314.78, 1,009,970.88 and 392,635.20 is: 588,952.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,314.78 : 1,009,970.88 = 392,635.20 : x
  2. Step 2: Convert to fraction form
    673,314.78/1,009,970.88 = 392,635.20/x
  3. Step 3: Cross multiply
    673,314.78x = 1,009,970.88 × 392,635.20
  4. Step 4: Simplify right side
    673,314.78x = 396,550,118,462.98
  5. Step 5: Solve for x
    x = 396,550,118,462.98/673,314.78
  6. Step 6: Final answer
    x = 588,952.05

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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.