Home / 779,953.16-1,169,930.10-281,317.16

Finding the Fourth Proportional to 779,953.16, 1,169,930.10 and 281,317.16

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Solution

The fourth proportional to 779,953.16, 1,169,930.10 and 281,317.16 is: 421,975.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,953.16 : 1,169,930.10 = 281,317.16 : x
  2. Step 2: Convert to fraction form
    779,953.16/1,169,930.10 = 281,317.16/x
  3. Step 3: Cross multiply
    779,953.16x = 1,169,930.10 × 281,317.16
  4. Step 4: Simplify right side
    779,953.16x = 329,121,413,130.52
  5. Step 5: Solve for x
    x = 329,121,413,130.52/779,953.16
  6. Step 6: Final answer
    x = 421,975.87

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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.