Home / 782,842.07-1,080,303.75-460,572.92

Finding the Fourth Proportional to 782,842.07, 1,080,303.75 and 460,572.92

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Solution

The fourth proportional to 782,842.07, 1,080,303.75 and 460,572.92 is: 635,579.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,842.07 : 1,080,303.75 = 460,572.92 : x
  2. Step 2: Convert to fraction form
    782,842.07/1,080,303.75 = 460,572.92/x
  3. Step 3: Cross multiply
    782,842.07x = 1,080,303.75 × 460,572.92
  4. Step 4: Simplify right side
    782,842.07x = 497,558,647,222.93
  5. Step 5: Solve for x
    x = 497,558,647,222.93/782,842.07
  6. Step 6: Final answer
    x = 635,579.86

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1.5x scale

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.