Home / 779,951.16-1,169,927.10-281,315.16

Finding the Fourth Proportional to 779,951.16, 1,169,927.10 and 281,315.16

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Solution

The fourth proportional to 779,951.16, 1,169,927.10 and 281,315.16 is: 421,972.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,951.16 : 1,169,927.10 = 281,315.16 : x
  2. Step 2: Convert to fraction form
    779,951.16/1,169,927.10 = 281,315.16/x
  3. Step 3: Cross multiply
    779,951.16x = 1,169,927.10 × 281,315.16
  4. Step 4: Simplify right side
    779,951.16x = 329,118,229,324.84
  5. Step 5: Solve for x
    x = 329,118,229,324.84/779,951.16
  6. Step 6: Final answer
    x = 421,972.87

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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.