Home / 792,654.40-1,189,125.60-260,027.20

Finding the Fourth Proportional to 792,654.40, 1,189,125.60 and 260,027.20

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Solution

The fourth proportional to 792,654.40, 1,189,125.60 and 260,027.20 is: 390,088.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,654.40 : 1,189,125.60 = 260,027.20 : x
  2. Step 2: Convert to fraction form
    792,654.40/1,189,125.60 = 260,027.20/x
  3. Step 3: Cross multiply
    792,654.40x = 1,189,125.60 × 260,027.20
  4. Step 4: Simplify right side
    792,654.40x = 309,205,000,216.32
  5. Step 5: Solve for x
    x = 309,205,000,216.32/792,654.40
  6. Step 6: Final answer
    x = 390,088.04

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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.