Home / 535,904.02-804,008.31-436,999.78

Finding the Fourth Proportional to 535,904.02, 804,008.31 and 436,999.78

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Solution

The fourth proportional to 535,904.02, 804,008.31 and 436,999.78 is: 655,623.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,904.02 : 804,008.31 = 436,999.78 : x
  2. Step 2: Convert to fraction form
    535,904.02/804,008.31 = 436,999.78/x
  3. Step 3: Cross multiply
    535,904.02x = 804,008.31 × 436,999.78
  4. Step 4: Simplify right side
    535,904.02x = 351,351,454,588.17
  5. Step 5: Solve for x
    x = 351,351,454,588.17/535,904.02
  6. Step 6: Final answer
    x = 655,623.85

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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.