Home / 535,499.35-804,561.23-402,639.10

Finding the Fourth Proportional to 535,499.35, 804,561.23 and 402,639.10

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Solution

The fourth proportional to 535,499.35, 804,561.23 and 402,639.10 is: 604,945.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,499.35 : 804,561.23 = 402,639.10 : x
  2. Step 2: Convert to fraction form
    535,499.35/804,561.23 = 402,639.10/x
  3. Step 3: Cross multiply
    535,499.35x = 804,561.23 × 402,639.10
  4. Step 4: Simplify right side
    535,499.35x = 323,947,809,542.09
  5. Step 5: Solve for x
    x = 323,947,809,542.09/535,499.35
  6. Step 6: Final answer
    x = 604,945.29

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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.