Home / 684,222.10-1,025,641.95-310,513.30

Finding the Fourth Proportional to 684,222.10, 1,025,641.95 and 310,513.30

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Solution

The fourth proportional to 684,222.10, 1,025,641.95 and 310,513.30 is: 465,456.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,222.10 : 1,025,641.95 = 310,513.30 : x
  2. Step 2: Convert to fraction form
    684,222.10/1,025,641.95 = 310,513.30/x
  3. Step 3: Cross multiply
    684,222.10x = 1,025,641.95 × 310,513.30
  4. Step 4: Simplify right side
    684,222.10x = 318,475,466,512.94
  5. Step 5: Solve for x
    x = 318,475,466,512.94/684,222.10
  6. Step 6: Final answer
    x = 465,456.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.