Home / 469,152.27-646,916.63-348,517.35

Finding the Fourth Proportional to 469,152.27, 646,916.63 and 348,517.35

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Solution

The fourth proportional to 469,152.27, 646,916.63 and 348,517.35 is: 480,572.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,152.27 : 646,916.63 = 348,517.35 : x
  2. Step 2: Convert to fraction form
    469,152.27/646,916.63 = 348,517.35/x
  3. Step 3: Cross multiply
    469,152.27x = 646,916.63 × 348,517.35
  4. Step 4: Simplify right side
    469,152.27x = 225,461,667,815.94
  5. Step 5: Solve for x
    x = 225,461,667,815.94/469,152.27
  6. Step 6: Final answer
    x = 480,572.48

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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.