Home / 923,918.94-1,385,881.82-284,218.24

Finding the Fourth Proportional to 923,918.94, 1,385,881.82 and 284,218.24

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Solution

The fourth proportional to 923,918.94, 1,385,881.82 and 284,218.24 is: 426,328.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,918.94 : 1,385,881.82 = 284,218.24 : x
  2. Step 2: Convert to fraction form
    923,918.94/1,385,881.82 = 284,218.24/x
  3. Step 3: Cross multiply
    923,918.94x = 1,385,881.82 × 284,218.24
  4. Step 4: Simplify right side
    923,918.94x = 393,892,891,728.40
  5. Step 5: Solve for x
    x = 393,892,891,728.40/923,918.94
  6. Step 6: Final answer
    x = 426,328.41

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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.