Home / 790,369.96-1,185,607.72-277,973.61

Finding the Fourth Proportional to 790,369.96, 1,185,607.72 and 277,973.61

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Solution

The fourth proportional to 790,369.96, 1,185,607.72 and 277,973.61 is: 416,978.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,369.96 : 1,185,607.72 = 277,973.61 : x
  2. Step 2: Convert to fraction form
    790,369.96/1,185,607.72 = 277,973.61/x
  3. Step 3: Cross multiply
    790,369.96x = 1,185,607.72 × 277,973.61
  4. Step 4: Simplify right side
    790,369.96x = 329,567,657,972.27
  5. Step 5: Solve for x
    x = 329,567,657,972.27/790,369.96
  6. Step 6: Final answer
    x = 416,978.98

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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.