Home / 782,967.93-1,080,477.75-456,260.13

Finding the Fourth Proportional to 782,967.93, 1,080,477.75 and 456,260.13

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Solution

The fourth proportional to 782,967.93, 1,080,477.75 and 456,260.13 is: 629,628.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,967.93 : 1,080,477.75 = 456,260.13 : x
  2. Step 2: Convert to fraction form
    782,967.93/1,080,477.75 = 456,260.13/x
  3. Step 3: Cross multiply
    782,967.93x = 1,080,477.75 × 456,260.13
  4. Step 4: Simplify right side
    782,967.93x = 492,978,918,677.11
  5. Step 5: Solve for x
    x = 492,978,918,677.11/782,967.93
  6. Step 6: Final answer
    x = 629,628.49

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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.