Home / 989,033.30-1,483,670.08-279,061.41

Finding the Fourth Proportional to 989,033.30, 1,483,670.08 and 279,061.41

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Solution

The fourth proportional to 989,033.30, 1,483,670.08 and 279,061.41 is: 418,626.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,033.30 : 1,483,670.08 = 279,061.41 : x
  2. Step 2: Convert to fraction form
    989,033.30/1,483,670.08 = 279,061.41/x
  3. Step 3: Cross multiply
    989,033.30x = 1,483,670.08 × 279,061.41
  4. Step 4: Simplify right side
    989,033.30x = 414,035,070,412.20
  5. Step 5: Solve for x
    x = 414,035,070,412.20/989,033.30
  6. Step 6: Final answer
    x = 418,626.02

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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.