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Finding the Fourth Proportional to 648,802.59, 971,898.98 and 323,610.27

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Solution

The fourth proportional to 648,802.59, 971,898.98 and 323,610.27 is: 484,764.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,802.59 : 971,898.98 = 323,610.27 : x
  2. Step 2: Convert to fraction form
    648,802.59/971,898.98 = 323,610.27/x
  3. Step 3: Cross multiply
    648,802.59x = 971,898.98 × 323,610.27
  4. Step 4: Simplify right side
    648,802.59x = 314,516,489,712.47
  5. Step 5: Solve for x
    x = 314,516,489,712.47/648,802.59
  6. Step 6: Final answer
    x = 484,764.54

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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.