Home / 835,301.81-1,252,751.87-385,590.68

Finding the Fourth Proportional to 835,301.81, 1,252,751.87 and 385,590.68

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Solution

The fourth proportional to 835,301.81, 1,252,751.87 and 385,590.68 is: 578,293.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,301.81 : 1,252,751.87 = 385,590.68 : x
  2. Step 2: Convert to fraction form
    835,301.81/1,252,751.87 = 385,590.68/x
  3. Step 3: Cross multiply
    835,301.81x = 1,252,751.87 × 385,590.68
  4. Step 4: Simplify right side
    835,301.81x = 483,049,437,232.86
  5. Step 5: Solve for x
    x = 483,049,437,232.86/835,301.81
  6. Step 6: Final answer
    x = 578,293.29

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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.