Home / 692,277.20-1,038,415.80-292,814.36

Finding the Fourth Proportional to 692,277.20, 1,038,415.80 and 292,814.36

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Solution

The fourth proportional to 692,277.20, 1,038,415.80 and 292,814.36 is: 439,221.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,277.20 : 1,038,415.80 = 292,814.36 : x
  2. Step 2: Convert to fraction form
    692,277.20/1,038,415.80 = 292,814.36/x
  3. Step 3: Cross multiply
    692,277.20x = 1,038,415.80 × 292,814.36
  4. Step 4: Simplify right side
    692,277.20x = 304,063,057,890.89
  5. Step 5: Solve for x
    x = 304,063,057,890.89/692,277.20
  6. Step 6: Final answer
    x = 439,221.54

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Similar ratio
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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.