Home / 531,345.20-733,252.37-289,627.02

Finding the Fourth Proportional to 531,345.20, 733,252.37 and 289,627.02

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Solution

The fourth proportional to 531,345.20, 733,252.37 and 289,627.02 is: 399,683.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,345.20 : 733,252.37 = 289,627.02 : x
  2. Step 2: Convert to fraction form
    531,345.20/733,252.37 = 289,627.02/x
  3. Step 3: Cross multiply
    531,345.20x = 733,252.37 × 289,627.02
  4. Step 4: Simplify right side
    531,345.20x = 212,369,697,382.90
  5. Step 5: Solve for x
    x = 212,369,697,382.90/531,345.20
  6. Step 6: Final answer
    x = 399,683.11

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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.