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Finding the Fourth Proportional to 531,201.60, 796,802.40 and 342,244.80

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Solution

The fourth proportional to 531,201.60, 796,802.40 and 342,244.80 is: 513,367.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,201.60 : 796,802.40 = 342,244.80 : x
  2. Step 2: Convert to fraction form
    531,201.60/796,802.40 = 342,244.80/x
  3. Step 3: Cross multiply
    531,201.60x = 796,802.40 × 342,244.80
  4. Step 4: Simplify right side
    531,201.60x = 272,701,478,027.52
  5. Step 5: Solve for x
    x = 272,701,478,027.52/531,201.60
  6. Step 6: Final answer
    x = 513,367.20

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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.