Home / 779,873.28-1,169,809.92-281,237.28

Finding the Fourth Proportional to 779,873.28, 1,169,809.92 and 281,237.28

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Solution

The fourth proportional to 779,873.28, 1,169,809.92 and 281,237.28 is: 421,855.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,873.28 : 1,169,809.92 = 281,237.28 : x
  2. Step 2: Convert to fraction form
    779,873.28/1,169,809.92 = 281,237.28/x
  3. Step 3: Cross multiply
    779,873.28x = 1,169,809.92 × 281,237.28
  4. Step 4: Simplify right side
    779,873.28x = 328,994,160,017.82
  5. Step 5: Solve for x
    x = 328,994,160,017.82/779,873.28
  6. Step 6: Final answer
    x = 421,855.92

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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.