Home / 921,490.62-1,382,142.45-247,484.34

Finding the Fourth Proportional to 921,490.62, 1,382,142.45 and 247,484.34

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Solution

The fourth proportional to 921,490.62, 1,382,142.45 and 247,484.34 is: 371,201.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,490.62 : 1,382,142.45 = 247,484.34 : x
  2. Step 2: Convert to fraction form
    921,490.62/1,382,142.45 = 247,484.34/x
  3. Step 3: Cross multiply
    921,490.62x = 1,382,142.45 × 247,484.34
  4. Step 4: Simplify right side
    921,490.62x = 342,058,612,024.23
  5. Step 5: Solve for x
    x = 342,058,612,024.23/921,490.62
  6. Step 6: Final answer
    x = 371,201.40

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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.