Home / 840,226.86-1,159,498.98-458,230.86

Finding the Fourth Proportional to 840,226.86, 1,159,498.98 and 458,230.86

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Solution

The fourth proportional to 840,226.86, 1,159,498.98 and 458,230.86 is: 632,350.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,226.86 : 1,159,498.98 = 458,230.86 : x
  2. Step 2: Convert to fraction form
    840,226.86/1,159,498.98 = 458,230.86/x
  3. Step 3: Cross multiply
    840,226.86x = 1,159,498.98 × 458,230.86
  4. Step 4: Simplify right side
    840,226.86x = 531,318,214,774.52
  5. Step 5: Solve for x
    x = 531,318,214,774.52/840,226.86
  6. Step 6: Final answer
    x = 632,350.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.