Home / 696,875.10-1,042,669.17-412,717.74

Finding the Fourth Proportional to 696,875.10, 1,042,669.17 and 412,717.74

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Solution

The fourth proportional to 696,875.10, 1,042,669.17 and 412,717.74 is: 617,511.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,875.10 : 1,042,669.17 = 412,717.74 : x
  2. Step 2: Convert to fraction form
    696,875.10/1,042,669.17 = 412,717.74/x
  3. Step 3: Cross multiply
    696,875.10x = 1,042,669.17 × 412,717.74
  4. Step 4: Simplify right side
    696,875.10x = 430,328,063,410.08
  5. Step 5: Solve for x
    x = 430,328,063,410.08/696,875.10
  6. Step 6: Final answer
    x = 617,511.03

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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.