Home / 668,743.29-1,003,114.94-289,353.47

Finding the Fourth Proportional to 668,743.29, 1,003,114.94 and 289,353.47

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Solution

The fourth proportional to 668,743.29, 1,003,114.94 and 289,353.47 is: 434,030.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,743.29 : 1,003,114.94 = 289,353.47 : x
  2. Step 2: Convert to fraction form
    668,743.29/1,003,114.94 = 289,353.47/x
  3. Step 3: Cross multiply
    668,743.29x = 1,003,114.94 × 289,353.47
  4. Step 4: Simplify right side
    668,743.29x = 290,254,782,235.50
  5. Step 5: Solve for x
    x = 290,254,782,235.50/668,743.29
  6. Step 6: Final answer
    x = 434,030.20

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Similar ratio
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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.