Home / 882,000.99-1,321,336.67-521,094.96

Finding the Fourth Proportional to 882,000.99, 1,321,336.67 and 521,094.96

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Solution

The fourth proportional to 882,000.99, 1,321,336.67 and 521,094.96 is: 780,658.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,000.99 : 1,321,336.67 = 521,094.96 : x
  2. Step 2: Convert to fraction form
    882,000.99/1,321,336.67 = 521,094.96/x
  3. Step 3: Cross multiply
    882,000.99x = 1,321,336.67 × 521,094.96
  4. Step 4: Simplify right side
    882,000.99x = 688,541,876,594.71
  5. Step 5: Solve for x
    x = 688,541,876,594.71/882,000.99
  6. Step 6: Final answer
    x = 780,658.85

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1.5x scale

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.