Home / 790,516.02-1,090,905.66-427,932.48

Finding the Fourth Proportional to 790,516.02, 1,090,905.66 and 427,932.48

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Solution

The fourth proportional to 790,516.02, 1,090,905.66 and 427,932.48 is: 590,543.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,516.02 : 1,090,905.66 = 427,932.48 : x
  2. Step 2: Convert to fraction form
    790,516.02/1,090,905.66 = 427,932.48/x
  3. Step 3: Cross multiply
    790,516.02x = 1,090,905.66 × 427,932.48
  4. Step 4: Simplify right side
    790,516.02x = 466,833,964,529.84
  5. Step 5: Solve for x
    x = 466,833,964,529.84/790,516.02
  6. Step 6: Final answer
    x = 590,543.33

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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.