Home / 989,563.80-1,484,259.30-324,715.80

Finding the Fourth Proportional to 989,563.80, 1,484,259.30 and 324,715.80

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Solution

The fourth proportional to 989,563.80, 1,484,259.30 and 324,715.80 is: 487,045.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,563.80 : 1,484,259.30 = 324,715.80 : x
  2. Step 2: Convert to fraction form
    989,563.80/1,484,259.30 = 324,715.80/x
  3. Step 3: Cross multiply
    989,563.80x = 1,484,259.30 × 324,715.80
  4. Step 4: Simplify right side
    989,563.80x = 481,962,446,006.94
  5. Step 5: Solve for x
    x = 481,962,446,006.94/989,563.80
  6. Step 6: Final answer
    x = 487,045.35

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1.5x scale

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.