Home / 790,095.92-1,090,142.06-479,989.50

Finding the Fourth Proportional to 790,095.92, 1,090,142.06 and 479,989.50

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Solution

The fourth proportional to 790,095.92, 1,090,142.06 and 479,989.50 is: 662,269.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,095.92 : 1,090,142.06 = 479,989.50 : x
  2. Step 2: Convert to fraction form
    790,095.92/1,090,142.06 = 479,989.50/x
  3. Step 3: Cross multiply
    790,095.92x = 1,090,142.06 × 479,989.50
  4. Step 4: Simplify right side
    790,095.92x = 523,256,742,308.37
  5. Step 5: Solve for x
    x = 523,256,742,308.37/790,095.92
  6. Step 6: Final answer
    x = 662,269.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.