Home / 786,233.48-1,179,122.16-306,354.25

Finding the Fourth Proportional to 786,233.48, 1,179,122.16 and 306,354.25

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Solution

The fourth proportional to 786,233.48, 1,179,122.16 and 306,354.25 is: 459,442.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,233.48 : 1,179,122.16 = 306,354.25 : x
  2. Step 2: Convert to fraction form
    786,233.48/1,179,122.16 = 306,354.25/x
  3. Step 3: Cross multiply
    786,233.48x = 1,179,122.16 × 306,354.25
  4. Step 4: Simplify right side
    786,233.48x = 361,229,084,985.18
  5. Step 5: Solve for x
    x = 361,229,084,985.18/786,233.48
  6. Step 6: Final answer
    x = 459,442.51

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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.