Home / 604,050.30-905,038.65-393,579.90

Finding the Fourth Proportional to 604,050.30, 905,038.65 and 393,579.90

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Solution

The fourth proportional to 604,050.30, 905,038.65 and 393,579.90 is: 589,694.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,050.30 : 905,038.65 = 393,579.90 : x
  2. Step 2: Convert to fraction form
    604,050.30/905,038.65 = 393,579.90/x
  3. Step 3: Cross multiply
    604,050.30x = 905,038.65 × 393,579.90
  4. Step 4: Simplify right side
    604,050.30x = 356,205,021,363.14
  5. Step 5: Solve for x
    x = 356,205,021,363.14/604,050.30
  6. Step 6: Final answer
    x = 589,694.30

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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.