Home / 727,282.64-1,088,911.92-371,530.64

Finding the Fourth Proportional to 727,282.64, 1,088,911.92 and 371,530.64

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Solution

The fourth proportional to 727,282.64, 1,088,911.92 and 371,530.64 is: 556,268.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,282.64 : 1,088,911.92 = 371,530.64 : x
  2. Step 2: Convert to fraction form
    727,282.64/1,088,911.92 = 371,530.64/x
  3. Step 3: Cross multiply
    727,282.64x = 1,088,911.92 × 371,530.64
  4. Step 4: Simplify right side
    727,282.64x = 404,564,142,541.23
  5. Step 5: Solve for x
    x = 404,564,142,541.23/727,282.64
  6. Step 6: Final answer
    x = 556,268.11

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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.