Home / 851,780.16-1,175,462.88-469,797.12

Finding the Fourth Proportional to 851,780.16, 1,175,462.88 and 469,797.12

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Solution

The fourth proportional to 851,780.16, 1,175,462.88 and 469,797.12 is: 648,323.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,780.16 : 1,175,462.88 = 469,797.12 : x
  2. Step 2: Convert to fraction form
    851,780.16/1,175,462.88 = 469,797.12/x
  3. Step 3: Cross multiply
    851,780.16x = 1,175,462.88 × 469,797.12
  4. Step 4: Simplify right side
    851,780.16x = 552,229,075,690.91
  5. Step 5: Solve for x
    x = 552,229,075,690.91/851,780.16
  6. Step 6: Final answer
    x = 648,323.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.