Home / 882,002.70-1,323,004.05-642,890.70

Finding the Fourth Proportional to 882,002.70, 1,323,004.05 and 642,890.70

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Solution

The fourth proportional to 882,002.70, 1,323,004.05 and 642,890.70 is: 964,336.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,002.70 : 1,323,004.05 = 642,890.70 : x
  2. Step 2: Convert to fraction form
    882,002.70/1,323,004.05 = 642,890.70/x
  3. Step 3: Cross multiply
    882,002.70x = 1,323,004.05 × 642,890.70
  4. Step 4: Simplify right side
    882,002.70x = 850,546,999,807.34
  5. Step 5: Solve for x
    x = 850,546,999,807.34/882,002.70
  6. Step 6: Final answer
    x = 964,336.05

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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.