Home / 983,400.30-1,475,100.45-717,679.80

Finding the Fourth Proportional to 983,400.30, 1,475,100.45 and 717,679.80

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Solution

The fourth proportional to 983,400.30, 1,475,100.45 and 717,679.80 is: 1,076,519.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,400.30 : 1,475,100.45 = 717,679.80 : x
  2. Step 2: Convert to fraction form
    983,400.30/1,475,100.45 = 717,679.80/x
  3. Step 3: Cross multiply
    983,400.30x = 1,475,100.45 × 717,679.80
  4. Step 4: Simplify right side
    983,400.30x = 1,058,649,795,935.91
  5. Step 5: Solve for x
    x = 1,058,649,795,935.91/983,400.30
  6. Step 6: Final answer
    x = 1,076,519.70

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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.