Home / 684,904.96-1,027,532.70-400,834.72

Finding the Fourth Proportional to 684,904.96, 1,027,532.70 and 400,834.72

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Solution

The fourth proportional to 684,904.96, 1,027,532.70 and 400,834.72 is: 601,354.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,904.96 : 1,027,532.70 = 400,834.72 : x
  2. Step 2: Convert to fraction form
    684,904.96/1,027,532.70 = 400,834.72/x
  3. Step 3: Cross multiply
    684,904.96x = 1,027,532.70 × 400,834.72
  4. Step 4: Simplify right side
    684,904.96x = 411,870,782,095.34
  5. Step 5: Solve for x
    x = 411,870,782,095.34/684,904.96
  6. Step 6: Final answer
    x = 601,354.65

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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.