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Finding the Fourth Proportional to 882,009.80, 1,323,014.70 and 807,360.20

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Solution

The fourth proportional to 882,009.80, 1,323,014.70 and 807,360.20 is: 1,211,040.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,009.80 : 1,323,014.70 = 807,360.20 : x
  2. Step 2: Convert to fraction form
    882,009.80/1,323,014.70 = 807,360.20/x
  3. Step 3: Cross multiply
    882,009.80x = 1,323,014.70 × 807,360.20
  4. Step 4: Simplify right side
    882,009.80x = 1,068,149,412,794.94
  5. Step 5: Solve for x
    x = 1,068,149,412,794.94/882,009.80
  6. Step 6: Final answer
    x = 1,211,040.30

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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.