Home / 535,285.68-738,669.24-309,004.08

Finding the Fourth Proportional to 535,285.68, 738,669.24 and 309,004.08

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Solution

The fourth proportional to 535,285.68, 738,669.24 and 309,004.08 is: 426,411.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,285.68 : 738,669.24 = 309,004.08 : x
  2. Step 2: Convert to fraction form
    535,285.68/738,669.24 = 309,004.08/x
  3. Step 3: Cross multiply
    535,285.68x = 738,669.24 × 309,004.08
  4. Step 4: Simplify right side
    535,285.68x = 228,251,808,930.50
  5. Step 5: Solve for x
    x = 228,251,808,930.50/535,285.68
  6. Step 6: Final answer
    x = 426,411.20

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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.