Home / 779,812.56-1,169,483.28-405,631.44

Finding the Fourth Proportional to 779,812.56, 1,169,483.28 and 405,631.44

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Solution

The fourth proportional to 779,812.56, 1,169,483.28 and 405,631.44 is: 608,324.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,812.56 : 1,169,483.28 = 405,631.44 : x
  2. Step 2: Convert to fraction form
    779,812.56/1,169,483.28 = 405,631.44/x
  3. Step 3: Cross multiply
    779,812.56x = 1,169,483.28 × 405,631.44
  4. Step 4: Simplify right side
    779,812.56x = 474,379,186,922.32
  5. Step 5: Solve for x
    x = 474,379,186,922.32/779,812.56
  6. Step 6: Final answer
    x = 608,324.63

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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.