Home / 990,434.98-1,485,219.82-350,526.02

Finding the Fourth Proportional to 990,434.98, 1,485,219.82 and 350,526.02

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Solution

The fourth proportional to 990,434.98, 1,485,219.82 and 350,526.02 is: 525,635.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,434.98 : 1,485,219.82 = 350,526.02 : x
  2. Step 2: Convert to fraction form
    990,434.98/1,485,219.82 = 350,526.02/x
  3. Step 3: Cross multiply
    990,434.98x = 1,485,219.82 × 350,526.02
  4. Step 4: Simplify right side
    990,434.98x = 520,608,192,329.72
  5. Step 5: Solve for x
    x = 520,608,192,329.72/990,434.98
  6. Step 6: Final answer
    x = 525,635.91

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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.