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Finding the Fourth Proportional to 803,265.64, 1,204,161.18 and 277,585

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Solution

The fourth proportional to 803,265.64, 1,204,161.18 and 277,585 is: 416,122.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,265.64 : 1,204,161.18 = 277,585 : x
  2. Step 2: Convert to fraction form
    803,265.64/1,204,161.18 = 277,585/x
  3. Step 3: Cross multiply
    803,265.64x = 1,204,161.18 × 277,585
  4. Step 4: Simplify right side
    803,265.64x = 334,257,081,150.30
  5. Step 5: Solve for x
    x = 334,257,081,150.30/803,265.64
  6. Step 6: Final answer
    x = 416,122.72

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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.