Home / 531,220.05-733,062.30-289,497.38

Finding the Fourth Proportional to 531,220.05, 733,062.30 and 289,497.38

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Solution

The fourth proportional to 531,220.05, 733,062.30 and 289,497.38 is: 399,494.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,220.05 : 733,062.30 = 289,497.38 : x
  2. Step 2: Convert to fraction form
    531,220.05/733,062.30 = 289,497.38/x
  3. Step 3: Cross multiply
    531,220.05x = 733,062.30 × 289,497.38
  4. Step 4: Simplify right side
    531,220.05x = 212,219,615,226.77
  5. Step 5: Solve for x
    x = 212,219,615,226.77/531,220.05
  6. Step 6: Final answer
    x = 399,494.74

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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.