Home / 782,985.09-1,080,468.27-460,632.90

Finding the Fourth Proportional to 782,985.09, 1,080,468.27 and 460,632.90

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Solution

The fourth proportional to 782,985.09, 1,080,468.27 and 460,632.90 is: 635,643.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,985.09 : 1,080,468.27 = 460,632.90 : x
  2. Step 2: Convert to fraction form
    782,985.09/1,080,468.27 = 460,632.90/x
  3. Step 3: Cross multiply
    782,985.09x = 1,080,468.27 × 460,632.90
  4. Step 4: Simplify right side
    782,985.09x = 497,699,232,568.08
  5. Step 5: Solve for x
    x = 497,699,232,568.08/782,985.09
  6. Step 6: Final answer
    x = 635,643.31

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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.