Home / 829,282.60-1,243,002.30-355,887.40

Finding the Fourth Proportional to 829,282.60, 1,243,002.30 and 355,887.40

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Solution

The fourth proportional to 829,282.60, 1,243,002.30 and 355,887.40 is: 533,435.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,282.60 : 1,243,002.30 = 355,887.40 : x
  2. Step 2: Convert to fraction form
    829,282.60/1,243,002.30 = 355,887.40/x
  3. Step 3: Cross multiply
    829,282.60x = 1,243,002.30 × 355,887.40
  4. Step 4: Simplify right side
    829,282.60x = 442,368,856,741.02
  5. Step 5: Solve for x
    x = 442,368,856,741.02/829,282.60
  6. Step 6: Final answer
    x = 533,435.59

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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.