Home / 999,476.02-1,499,214.06-289,504.30

Finding the Fourth Proportional to 999,476.02, 1,499,214.06 and 289,504.30

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Solution

The fourth proportional to 999,476.02, 1,499,214.06 and 289,504.30 is: 434,256.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,476.02 : 1,499,214.06 = 289,504.30 : x
  2. Step 2: Convert to fraction form
    999,476.02/1,499,214.06 = 289,504.30/x
  3. Step 3: Cross multiply
    999,476.02x = 1,499,214.06 × 289,504.30
  4. Step 4: Simplify right side
    999,476.02x = 434,028,916,990.46
  5. Step 5: Solve for x
    x = 434,028,916,990.46/999,476.02
  6. Step 6: Final answer
    x = 434,256.46

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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.