Home / 847,942.74-1,272,043.20-527,835.60

Finding the Fourth Proportional to 847,942.74, 1,272,043.20 and 527,835.60

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Solution

The fourth proportional to 847,942.74, 1,272,043.20 and 527,835.60 is: 791,833.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,942.74 : 1,272,043.20 = 527,835.60 : x
  2. Step 2: Convert to fraction form
    847,942.74/1,272,043.20 = 527,835.60/x
  3. Step 3: Cross multiply
    847,942.74x = 1,272,043.20 × 527,835.60
  4. Step 4: Simplify right side
    847,942.74x = 671,429,685,697.92
  5. Step 5: Solve for x
    x = 671,429,685,697.92/847,942.74
  6. Step 6: Final answer
    x = 791,833.76

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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.