Home / 779,146.84-1,168,753.66-305,934.72

Finding the Fourth Proportional to 779,146.84, 1,168,753.66 and 305,934.72

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Solution

The fourth proportional to 779,146.84, 1,168,753.66 and 305,934.72 is: 458,915.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,146.84 : 1,168,753.66 = 305,934.72 : x
  2. Step 2: Convert to fraction form
    779,146.84/1,168,753.66 = 305,934.72/x
  3. Step 3: Cross multiply
    779,146.84x = 1,168,753.66 × 305,934.72
  4. Step 4: Simplify right side
    779,146.84x = 357,562,323,721.08
  5. Step 5: Solve for x
    x = 357,562,323,721.08/779,146.84
  6. Step 6: Final answer
    x = 458,915.19

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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.