Home / 791,026.40-1,186,280.40-292,325.60

Finding the Fourth Proportional to 791,026.40, 1,186,280.40 and 292,325.60

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Solution

The fourth proportional to 791,026.40, 1,186,280.40 and 292,325.60 is: 438,392.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,026.40 : 1,186,280.40 = 292,325.60 : x
  2. Step 2: Convert to fraction form
    791,026.40/1,186,280.40 = 292,325.60/x
  3. Step 3: Cross multiply
    791,026.40x = 1,186,280.40 × 292,325.60
  4. Step 4: Simplify right side
    791,026.40x = 346,780,129,698.24
  5. Step 5: Solve for x
    x = 346,780,129,698.24/791,026.40
  6. Step 6: Final answer
    x = 438,392.61

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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.