Home / 999,472.02-1,499,208.03-289,500.30

Finding the Fourth Proportional to 999,472.02, 1,499,208.03 and 289,500.30

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Solution

The fourth proportional to 999,472.02, 1,499,208.03 and 289,500.30 is: 434,250.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,472.02 : 1,499,208.03 = 289,500.30 : x
  2. Step 2: Convert to fraction form
    999,472.02/1,499,208.03 = 289,500.30/x
  3. Step 3: Cross multiply
    999,472.02x = 1,499,208.03 × 289,500.30
  4. Step 4: Simplify right side
    999,472.02x = 434,021,174,447.41
  5. Step 5: Solve for x
    x = 434,021,174,447.41/999,472.02
  6. Step 6: Final answer
    x = 434,250.45

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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.