Home / 863,542.50-1,294,674.04-413,835.15

Finding the Fourth Proportional to 863,542.50, 1,294,674.04 and 413,835.15

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Solution

The fourth proportional to 863,542.50, 1,294,674.04 and 413,835.15 is: 620,446.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,542.50 : 1,294,674.04 = 413,835.15 : x
  2. Step 2: Convert to fraction form
    863,542.50/1,294,674.04 = 413,835.15/x
  3. Step 3: Cross multiply
    863,542.50x = 1,294,674.04 × 413,835.15
  4. Step 4: Simplify right side
    863,542.50x = 535,781,630,916.83
  5. Step 5: Solve for x
    x = 535,781,630,916.83/863,542.50
  6. Step 6: Final answer
    x = 620,446.17

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1.5x scale

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.