Home / 996,840.40-1,495,114.80-286,794.40

Finding the Fourth Proportional to 996,840.40, 1,495,114.80 and 286,794.40

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Solution

The fourth proportional to 996,840.40, 1,495,114.80 and 286,794.40 is: 430,149.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,840.40 : 1,495,114.80 = 286,794.40 : x
  2. Step 2: Convert to fraction form
    996,840.40/1,495,114.80 = 286,794.40/x
  3. Step 3: Cross multiply
    996,840.40x = 1,495,114.80 × 286,794.40
  4. Step 4: Simplify right side
    996,840.40x = 428,790,551,997.12
  5. Step 5: Solve for x
    x = 428,790,551,997.12/996,840.40
  6. Step 6: Final answer
    x = 430,149.65

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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.