Home / 464,485.43-696,730.30-127,530.83

Finding the Fourth Proportional to 464,485.43, 696,730.30 and 127,530.83

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Solution

The fourth proportional to 464,485.43, 696,730.30 and 127,530.83 is: 191,296.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,485.43 : 696,730.30 = 127,530.83 : x
  2. Step 2: Convert to fraction form
    464,485.43/696,730.30 = 127,530.83/x
  3. Step 3: Cross multiply
    464,485.43x = 696,730.30 × 127,530.83
  4. Step 4: Simplify right side
    464,485.43x = 88,854,589,642.67
  5. Step 5: Solve for x
    x = 88,854,589,642.67/464,485.43
  6. Step 6: Final answer
    x = 191,296.83

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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.