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Finding the Fourth Proportional to 531,477.54, 733,024.29 and 340,508.82

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Solution

The fourth proportional to 531,477.54, 733,024.29 and 340,508.82 is: 469,636.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,477.54 : 733,024.29 = 340,508.82 : x
  2. Step 2: Convert to fraction form
    531,477.54/733,024.29 = 340,508.82/x
  3. Step 3: Cross multiply
    531,477.54x = 733,024.29 × 340,508.82
  4. Step 4: Simplify right side
    531,477.54x = 249,601,236,019.24
  5. Step 5: Solve for x
    x = 249,601,236,019.24/531,477.54
  6. Step 6: Final answer
    x = 469,636.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.