Home / 782,849.93-1,080,314.61-460,580.81

Finding the Fourth Proportional to 782,849.93, 1,080,314.61 and 460,580.81

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Solution

The fourth proportional to 782,849.93, 1,080,314.61 and 460,580.81 is: 635,590.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,849.93 : 1,080,314.61 = 460,580.81 : x
  2. Step 2: Convert to fraction form
    782,849.93/1,080,314.61 = 460,580.81/x
  3. Step 3: Cross multiply
    782,849.93x = 1,080,314.61 × 460,580.81
  4. Step 4: Simplify right side
    782,849.93x = 497,572,178,128.63
  5. Step 5: Solve for x
    x = 497,572,178,128.63/782,849.93
  6. Step 6: Final answer
    x = 635,590.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.