Home / 851,398.26-1,276,506.84-452,319.30

Finding the Fourth Proportional to 851,398.26, 1,276,506.84 and 452,319.30

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Solution

The fourth proportional to 851,398.26, 1,276,506.84 and 452,319.30 is: 678,165.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,398.26 : 1,276,506.84 = 452,319.30 : x
  2. Step 2: Convert to fraction form
    851,398.26/1,276,506.84 = 452,319.30/x
  3. Step 3: Cross multiply
    851,398.26x = 1,276,506.84 × 452,319.30
  4. Step 4: Simplify right side
    851,398.26x = 577,388,680,314.01
  5. Step 5: Solve for x
    x = 577,388,680,314.01/851,398.26
  6. Step 6: Final answer
    x = 678,165.21

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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.