Home / 923,423.40-1,385,135.10-292,386.60

Finding the Fourth Proportional to 923,423.40, 1,385,135.10 and 292,386.60

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Solution

The fourth proportional to 923,423.40, 1,385,135.10 and 292,386.60 is: 438,579.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,423.40 : 1,385,135.10 = 292,386.60 : x
  2. Step 2: Convert to fraction form
    923,423.40/1,385,135.10 = 292,386.60/x
  3. Step 3: Cross multiply
    923,423.40x = 1,385,135.10 × 292,386.60
  4. Step 4: Simplify right side
    923,423.40x = 404,994,942,429.66
  5. Step 5: Solve for x
    x = 404,994,942,429.66/923,423.40
  6. Step 6: Final answer
    x = 438,579.90

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Double scale
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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.