Home / 708,695.84-1,063,541.91-640,937.12

Finding the Fourth Proportional to 708,695.84, 1,063,541.91 and 640,937.12

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Solution

The fourth proportional to 708,695.84, 1,063,541.91 and 640,937.12 is: 961,856.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,695.84 : 1,063,541.91 = 640,937.12 : x
  2. Step 2: Convert to fraction form
    708,695.84/1,063,541.91 = 640,937.12/x
  3. Step 3: Cross multiply
    708,695.84x = 1,063,541.91 × 640,937.12
  4. Step 4: Simplify right side
    708,695.84x = 681,663,485,880.50
  5. Step 5: Solve for x
    x = 681,663,485,880.50/708,695.84
  6. Step 6: Final answer
    x = 961,856.19

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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.