Home / 682,707.20-1,024,838.40-402,382.40

Finding the Fourth Proportional to 682,707.20, 1,024,838.40 and 402,382.40

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Solution

The fourth proportional to 682,707.20, 1,024,838.40 and 402,382.40 is: 604,031.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,707.20 : 1,024,838.40 = 402,382.40 : x
  2. Step 2: Convert to fraction form
    682,707.20/1,024,838.40 = 402,382.40/x
  3. Step 3: Cross multiply
    682,707.20x = 1,024,838.40 × 402,382.40
  4. Step 4: Simplify right side
    682,707.20x = 412,376,935,004.16
  5. Step 5: Solve for x
    x = 412,376,935,004.16/682,707.20
  6. Step 6: Final answer
    x = 604,031.91

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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.