Home / 788,656.20-1,181,429.10-455,843.40

Finding the Fourth Proportional to 788,656.20, 1,181,429.10 and 455,843.40

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Solution

The fourth proportional to 788,656.20, 1,181,429.10 and 455,843.40 is: 682,866.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,656.20 : 1,181,429.10 = 455,843.40 : x
  2. Step 2: Convert to fraction form
    788,656.20/1,181,429.10 = 455,843.40/x
  3. Step 3: Cross multiply
    788,656.20x = 1,181,429.10 × 455,843.40
  4. Step 4: Simplify right side
    788,656.20x = 538,546,657,802.94
  5. Step 5: Solve for x
    x = 538,546,657,802.94/788,656.20
  6. Step 6: Final answer
    x = 682,866.19

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1.5x scale

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.