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Finding the Fourth Proportional to 576,501.30, 864,751.95 and 548,945.10

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Solution

The fourth proportional to 576,501.30, 864,751.95 and 548,945.10 is: 823,417.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,501.30 : 864,751.95 = 548,945.10 : x
  2. Step 2: Convert to fraction form
    576,501.30/864,751.95 = 548,945.10/x
  3. Step 3: Cross multiply
    576,501.30x = 864,751.95 × 548,945.10
  4. Step 4: Simplify right side
    576,501.30x = 474,701,345,667.95
  5. Step 5: Solve for x
    x = 474,701,345,667.95/576,501.30
  6. Step 6: Final answer
    x = 823,417.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.