Home / 983,879.40-1,476,475.20-451,126.20

Finding the Fourth Proportional to 983,879.40, 1,476,475.20 and 451,126.20

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Solution

The fourth proportional to 983,879.40, 1,476,475.20 and 451,126.20 is: 676,990.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,879.40 : 1,476,475.20 = 451,126.20 : x
  2. Step 2: Convert to fraction form
    983,879.40/1,476,475.20 = 451,126.20/x
  3. Step 3: Cross multiply
    983,879.40x = 1,476,475.20 × 451,126.20
  4. Step 4: Simplify right side
    983,879.40x = 666,076,646,370.24
  5. Step 5: Solve for x
    x = 666,076,646,370.24/983,879.40
  6. Step 6: Final answer
    x = 676,990.13

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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.