Home / 928,609.92-1,393,308.45-507,393.72

Finding the Fourth Proportional to 928,609.92, 1,393,308.45 and 507,393.72

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Solution

The fourth proportional to 928,609.92, 1,393,308.45 and 507,393.72 is: 761,305.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,609.92 : 1,393,308.45 = 507,393.72 : x
  2. Step 2: Convert to fraction form
    928,609.92/1,393,308.45 = 507,393.72/x
  3. Step 3: Cross multiply
    928,609.92x = 1,393,308.45 × 507,393.72
  4. Step 4: Simplify right side
    928,609.92x = 706,955,957,552.93
  5. Step 5: Solve for x
    x = 706,955,957,552.93/928,609.92
  6. Step 6: Final answer
    x = 761,305.63

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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.