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Finding the Fourth Proportional to 759,294, 1,138,509.70 and 309,488.04

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Solution

The fourth proportional to 759,294, 1,138,509.70 and 309,488.04 is: 464,056.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,294 : 1,138,509.70 = 309,488.04 : x
  2. Step 2: Convert to fraction form
    759,294/1,138,509.70 = 309,488.04/x
  3. Step 3: Cross multiply
    759,294x = 1,138,509.70 × 309,488.04
  4. Step 4: Simplify right side
    759,294x = 352,355,135,573.99
  5. Step 5: Solve for x
    x = 352,355,135,573.99/759,294
  6. Step 6: Final answer
    x = 464,056.26

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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.