Home / 873,746.64-1,311,129.54-368,276.76

Finding the Fourth Proportional to 873,746.64, 1,311,129.54 and 368,276.76

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Solution

The fourth proportional to 873,746.64, 1,311,129.54 and 368,276.76 is: 552,629.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,746.64 : 1,311,129.54 = 368,276.76 : x
  2. Step 2: Convert to fraction form
    873,746.64/1,311,129.54 = 368,276.76/x
  3. Step 3: Cross multiply
    873,746.64x = 1,311,129.54 × 368,276.76
  4. Step 4: Simplify right side
    873,746.64x = 482,858,538,931.49
  5. Step 5: Solve for x
    x = 482,858,538,931.49/873,746.64
  6. Step 6: Final answer
    x = 552,629.92

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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.