Home / 929,702.40-1,394,553.60-772,238.40

Finding the Fourth Proportional to 929,702.40, 1,394,553.60 and 772,238.40

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Solution

The fourth proportional to 929,702.40, 1,394,553.60 and 772,238.40 is: 1,158,357.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,702.40 : 1,394,553.60 = 772,238.40 : x
  2. Step 2: Convert to fraction form
    929,702.40/1,394,553.60 = 772,238.40/x
  3. Step 3: Cross multiply
    929,702.40x = 1,394,553.60 × 772,238.40
  4. Step 4: Simplify right side
    929,702.40x = 1,076,927,840,778.24
  5. Step 5: Solve for x
    x = 1,076,927,840,778.24/929,702.40
  6. Step 6: Final answer
    x = 1,158,357.60

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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.