Home / 834,429.60-1,251,644.40-414,525.60

Finding the Fourth Proportional to 834,429.60, 1,251,644.40 and 414,525.60

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Solution

The fourth proportional to 834,429.60, 1,251,644.40 and 414,525.60 is: 621,788.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,429.60 : 1,251,644.40 = 414,525.60 : x
  2. Step 2: Convert to fraction form
    834,429.60/1,251,644.40 = 414,525.60/x
  3. Step 3: Cross multiply
    834,429.60x = 1,251,644.40 × 414,525.60
  4. Step 4: Simplify right side
    834,429.60x = 518,838,645,896.64
  5. Step 5: Solve for x
    x = 518,838,645,896.64/834,429.60
  6. Step 6: Final answer
    x = 621,788.40

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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.