Home / 842,405.10-1,162,501.88-460,434.61

Finding the Fourth Proportional to 842,405.10, 1,162,501.88 and 460,434.61

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Solution

The fourth proportional to 842,405.10, 1,162,501.88 and 460,434.61 is: 635,390.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,405.10 : 1,162,501.88 = 460,434.61 : x
  2. Step 2: Convert to fraction form
    842,405.10/1,162,501.88 = 460,434.61/x
  3. Step 3: Cross multiply
    842,405.10x = 1,162,501.88 × 460,434.61
  4. Step 4: Simplify right side
    842,405.10x = 535,256,099,742.07
  5. Step 5: Solve for x
    x = 535,256,099,742.07/842,405.10
  6. Step 6: Final answer
    x = 635,390.39

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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.