Home / 731,880.28-1,097,068.74-282,479.32

Finding the Fourth Proportional to 731,880.28, 1,097,068.74 and 282,479.32

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Solution

The fourth proportional to 731,880.28, 1,097,068.74 and 282,479.32 is: 423,428.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,880.28 : 1,097,068.74 = 282,479.32 : x
  2. Step 2: Convert to fraction form
    731,880.28/1,097,068.74 = 282,479.32/x
  3. Step 3: Cross multiply
    731,880.28x = 1,097,068.74 × 282,479.32
  4. Step 4: Simplify right side
    731,880.28x = 309,899,231,668.46
  5. Step 5: Solve for x
    x = 309,899,231,668.46/731,880.28
  6. Step 6: Final answer
    x = 423,428.86

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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.