Home / 1,003,602.40-1,505,403.60-329,787.70

Finding the Fourth Proportional to 1,003,602.40, 1,505,403.60 and 329,787.70

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Solution

The fourth proportional to 1,003,602.40, 1,505,403.60 and 329,787.70 is: 494,681.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,602.40 : 1,505,403.60 = 329,787.70 : x
  2. Step 2: Convert to fraction form
    1,003,602.40/1,505,403.60 = 329,787.70/x
  3. Step 3: Cross multiply
    1,003,602.40x = 1,505,403.60 × 329,787.70
  4. Step 4: Simplify right side
    1,003,602.40x = 496,463,590,815.72
  5. Step 5: Solve for x
    x = 496,463,590,815.72/1,003,602.40
  6. Step 6: Final answer
    x = 494,681.55

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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.