Home / 705,920.04-1,059,077.70-285,491.16

Finding the Fourth Proportional to 705,920.04, 1,059,077.70 and 285,491.16

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Solution

The fourth proportional to 705,920.04, 1,059,077.70 and 285,491.16 is: 428,316.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,920.04 : 1,059,077.70 = 285,491.16 : x
  2. Step 2: Convert to fraction form
    705,920.04/1,059,077.70 = 285,491.16/x
  3. Step 3: Cross multiply
    705,920.04x = 1,059,077.70 × 285,491.16
  4. Step 4: Simplify right side
    705,920.04x = 302,357,321,103.13
  5. Step 5: Solve for x
    x = 302,357,321,103.13/705,920.04
  6. Step 6: Final answer
    x = 428,316.67

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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.