Home / 880,651.96-1,215,299.58-498,678.64

Finding the Fourth Proportional to 880,651.96, 1,215,299.58 and 498,678.64

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Solution

The fourth proportional to 880,651.96, 1,215,299.58 and 498,678.64 is: 688,176.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,651.96 : 1,215,299.58 = 498,678.64 : x
  2. Step 2: Convert to fraction form
    880,651.96/1,215,299.58 = 498,678.64/x
  3. Step 3: Cross multiply
    880,651.96x = 1,215,299.58 × 498,678.64
  4. Step 4: Simplify right side
    880,651.96x = 606,043,941,746.97
  5. Step 5: Solve for x
    x = 606,043,941,746.97/880,651.96
  6. Step 6: Final answer
    x = 688,176.45

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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.