Home / 989,389.44-1,484,143.02-382,182.36

Finding the Fourth Proportional to 989,389.44, 1,484,143.02 and 382,182.36

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Solution

The fourth proportional to 989,389.44, 1,484,143.02 and 382,182.36 is: 573,296.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,389.44 : 1,484,143.02 = 382,182.36 : x
  2. Step 2: Convert to fraction form
    989,389.44/1,484,143.02 = 382,182.36/x
  3. Step 3: Cross multiply
    989,389.44x = 1,484,143.02 × 382,182.36
  4. Step 4: Simplify right side
    989,389.44x = 567,213,281,961.13
  5. Step 5: Solve for x
    x = 567,213,281,961.13/989,389.44
  6. Step 6: Final answer
    x = 573,296.28

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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.