Home / 708,252.60-1,062,983.70-287,830.20

Finding the Fourth Proportional to 708,252.60, 1,062,983.70 and 287,830.20

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Solution

The fourth proportional to 708,252.60, 1,062,983.70 and 287,830.20 is: 431,991.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,252.60 : 1,062,983.70 = 287,830.20 : x
  2. Step 2: Convert to fraction form
    708,252.60/1,062,983.70 = 287,830.20/x
  3. Step 3: Cross multiply
    708,252.60x = 1,062,983.70 × 287,830.20
  4. Step 4: Simplify right side
    708,252.60x = 305,958,810,967.74
  5. Step 5: Solve for x
    x = 305,958,810,967.74/708,252.60
  6. Step 6: Final answer
    x = 431,991.09

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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.