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Finding the Fourth Proportional to 882,454.62, 1,323,244.70 and 313,750.50

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Solution

The fourth proportional to 882,454.62, 1,323,244.70 and 313,750.50 is: 470,470.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,454.62 : 1,323,244.70 = 313,750.50 : x
  2. Step 2: Convert to fraction form
    882,454.62/1,323,244.70 = 313,750.50/x
  3. Step 3: Cross multiply
    882,454.62x = 1,323,244.70 × 313,750.50
  4. Step 4: Simplify right side
    882,454.62x = 415,168,686,247.35
  5. Step 5: Solve for x
    x = 415,168,686,247.35/882,454.62
  6. Step 6: Final answer
    x = 470,470.30

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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.