Home / 787,593.51-1,087,014.69-456,403.01

Finding the Fourth Proportional to 787,593.51, 1,087,014.69 and 456,403.01

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Solution

The fourth proportional to 787,593.51, 1,087,014.69 and 456,403.01 is: 629,914.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,593.51 : 1,087,014.69 = 456,403.01 : x
  2. Step 2: Convert to fraction form
    787,593.51/1,087,014.69 = 456,403.01/x
  3. Step 3: Cross multiply
    787,593.51x = 1,087,014.69 × 456,403.01
  4. Step 4: Simplify right side
    787,593.51x = 496,116,770,995.14
  5. Step 5: Solve for x
    x = 496,116,770,995.14/787,593.51
  6. Step 6: Final answer
    x = 629,914.75

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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.