Home / 779,558.18-1,169,340.14-239,810.72

Finding the Fourth Proportional to 779,558.18, 1,169,340.14 and 239,810.72

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Solution

The fourth proportional to 779,558.18, 1,169,340.14 and 239,810.72 is: 359,716.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,558.18 : 1,169,340.14 = 239,810.72 : x
  2. Step 2: Convert to fraction form
    779,558.18/1,169,340.14 = 239,810.72/x
  3. Step 3: Cross multiply
    779,558.18x = 1,169,340.14 × 239,810.72
  4. Step 4: Simplify right side
    779,558.18x = 280,420,300,036.15
  5. Step 5: Solve for x
    x = 280,420,300,036.15/779,558.18
  6. Step 6: Final answer
    x = 359,716.96

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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.