Home / 923,407.20-1,385,240.40-292,255.20

Finding the Fourth Proportional to 923,407.20, 1,385,240.40 and 292,255.20

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Solution

The fourth proportional to 923,407.20, 1,385,240.40 and 292,255.20 is: 438,423.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,407.20 : 1,385,240.40 = 292,255.20 : x
  2. Step 2: Convert to fraction form
    923,407.20/1,385,240.40 = 292,255.20/x
  3. Step 3: Cross multiply
    923,407.20x = 1,385,240.40 × 292,255.20
  4. Step 4: Simplify right side
    923,407.20x = 404,843,710,150.08
  5. Step 5: Solve for x
    x = 404,843,710,150.08/923,407.20
  6. Step 6: Final answer
    x = 438,423.82

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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.