Home / 668,918.94-1,003,531.62-289,903.25

Finding the Fourth Proportional to 668,918.94, 1,003,531.62 and 289,903.25

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Solution

The fourth proportional to 668,918.94, 1,003,531.62 and 289,903.25 is: 434,921.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,918.94 : 1,003,531.62 = 289,903.25 : x
  2. Step 2: Convert to fraction form
    668,918.94/1,003,531.62 = 289,903.25/x
  3. Step 3: Cross multiply
    668,918.94x = 1,003,531.62 × 289,903.25
  4. Step 4: Simplify right side
    668,918.94x = 290,927,073,098.11
  5. Step 5: Solve for x
    x = 290,927,073,098.11/668,918.94
  6. Step 6: Final answer
    x = 434,921.27

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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.