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Finding the Fourth Proportional to 535,501.10, 804,563.85 and 402,640.85

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Solution

The fourth proportional to 535,501.10, 804,563.85 and 402,640.85 is: 604,947.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,501.10 : 804,563.85 = 402,640.85 : x
  2. Step 2: Convert to fraction form
    535,501.10/804,563.85 = 402,640.85/x
  3. Step 3: Cross multiply
    535,501.10x = 804,563.85 × 402,640.85
  4. Step 4: Simplify right side
    535,501.10x = 323,950,272,443.27
  5. Step 5: Solve for x
    x = 323,950,272,443.27/535,501.10
  6. Step 6: Final answer
    x = 604,947.91

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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.