Home / 989,932.30-1,484,898.45-241,978.30

Finding the Fourth Proportional to 989,932.30, 1,484,898.45 and 241,978.30

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Solution

The fourth proportional to 989,932.30, 1,484,898.45 and 241,978.30 is: 362,967.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,932.30 : 1,484,898.45 = 241,978.30 : x
  2. Step 2: Convert to fraction form
    989,932.30/1,484,898.45 = 241,978.30/x
  3. Step 3: Cross multiply
    989,932.30x = 1,484,898.45 × 241,978.30
  4. Step 4: Simplify right side
    989,932.30x = 359,313,202,603.64
  5. Step 5: Solve for x
    x = 359,313,202,603.64/989,932.30
  6. Step 6: Final answer
    x = 362,967.45

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Double scale
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Similar ratio
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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.