Home / 851,784.16-1,175,468.40-469,801.12

Finding the Fourth Proportional to 851,784.16, 1,175,468.40 and 469,801.12

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Solution

The fourth proportional to 851,784.16, 1,175,468.40 and 469,801.12 is: 648,329.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,784.16 : 1,175,468.40 = 469,801.12 : x
  2. Step 2: Convert to fraction form
    851,784.16/1,175,468.40 = 469,801.12/x
  3. Step 3: Cross multiply
    851,784.16x = 1,175,468.40 × 469,801.12
  4. Step 4: Simplify right side
    851,784.16x = 552,236,370,844.61
  5. Step 5: Solve for x
    x = 552,236,370,844.61/851,784.16
  6. Step 6: Final answer
    x = 648,329.00

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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.