Home / 684,903.96-1,027,531.20-400,833.72

Finding the Fourth Proportional to 684,903.96, 1,027,531.20 and 400,833.72

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Solution

The fourth proportional to 684,903.96, 1,027,531.20 and 400,833.72 is: 601,353.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,903.96 : 1,027,531.20 = 400,833.72 : x
  2. Step 2: Convert to fraction form
    684,903.96/1,027,531.20 = 400,833.72/x
  3. Step 3: Cross multiply
    684,903.96x = 1,027,531.20 × 400,833.72
  4. Step 4: Simplify right side
    684,903.96x = 411,869,153,312.06
  5. Step 5: Solve for x
    x = 411,869,153,312.06/684,903.96
  6. Step 6: Final answer
    x = 601,353.15

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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.