Home / 468,669.24-646,827.93-287,349.12

Finding the Fourth Proportional to 468,669.24, 646,827.93 and 287,349.12

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Solution

The fourth proportional to 468,669.24, 646,827.93 and 287,349.12 is: 396,581.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,669.24 : 646,827.93 = 287,349.12 : x
  2. Step 2: Convert to fraction form
    468,669.24/646,827.93 = 287,349.12/x
  3. Step 3: Cross multiply
    468,669.24x = 646,827.93 × 287,349.12
  4. Step 4: Simplify right side
    468,669.24x = 185,865,436,476.92
  5. Step 5: Solve for x
    x = 185,865,436,476.92/468,669.24
  6. Step 6: Final answer
    x = 396,581.26

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1.5x scale

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.