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Finding the Fourth Proportional to 508,880.77, 702,228.05 and 282,511.69

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Solution

The fourth proportional to 508,880.77, 702,228.05 and 282,511.69 is: 389,850.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,880.77 : 702,228.05 = 282,511.69 : x
  2. Step 2: Convert to fraction form
    508,880.77/702,228.05 = 282,511.69/x
  3. Step 3: Cross multiply
    508,880.77x = 702,228.05 × 282,511.69
  4. Step 4: Simplify right side
    508,880.77x = 198,387,631,062.20
  5. Step 5: Solve for x
    x = 198,387,631,062.20/508,880.77
  6. Step 6: Final answer
    x = 389,850.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.