Home / 648,433.17-894,913.68-539,345.05

Finding the Fourth Proportional to 648,433.17, 894,913.68 and 539,345.05

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Solution

The fourth proportional to 648,433.17, 894,913.68 and 539,345.05 is: 744,359.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,433.17 : 894,913.68 = 539,345.05 : x
  2. Step 2: Convert to fraction form
    648,433.17/894,913.68 = 539,345.05/x
  3. Step 3: Cross multiply
    648,433.17x = 894,913.68 × 539,345.05
  4. Step 4: Simplify right side
    648,433.17x = 482,667,263,485.28
  5. Step 5: Solve for x
    x = 482,667,263,485.28/648,433.17
  6. Step 6: Final answer
    x = 744,359.30

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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.