Home / 859,152.72-1,288,235.22-354,062.40

Finding the Fourth Proportional to 859,152.72, 1,288,235.22 and 354,062.40

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Solution

The fourth proportional to 859,152.72, 1,288,235.22 and 354,062.40 is: 530,890.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,152.72 : 1,288,235.22 = 354,062.40 : x
  2. Step 2: Convert to fraction form
    859,152.72/1,288,235.22 = 354,062.40/x
  3. Step 3: Cross multiply
    859,152.72x = 1,288,235.22 × 354,062.40
  4. Step 4: Simplify right side
    859,152.72x = 456,115,653,757.73
  5. Step 5: Solve for x
    x = 456,115,653,757.73/859,152.72
  6. Step 6: Final answer
    x = 530,890.08

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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.