Home / 823,931.70-1,235,897.55-292,053.30

Finding the Fourth Proportional to 823,931.70, 1,235,897.55 and 292,053.30

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Solution

The fourth proportional to 823,931.70, 1,235,897.55 and 292,053.30 is: 438,079.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,931.70 : 1,235,897.55 = 292,053.30 : x
  2. Step 2: Convert to fraction form
    823,931.70/1,235,897.55 = 292,053.30/x
  3. Step 3: Cross multiply
    823,931.70x = 1,235,897.55 × 292,053.30
  4. Step 4: Simplify right side
    823,931.70x = 360,947,957,939.42
  5. Step 5: Solve for x
    x = 360,947,957,939.42/823,931.70
  6. Step 6: Final answer
    x = 438,079.95

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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.