Home / 839,486.24-1,158,457.20-457,504.80

Finding the Fourth Proportional to 839,486.24, 1,158,457.20 and 457,504.80

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Solution

The fourth proportional to 839,486.24, 1,158,457.20 and 457,504.80 is: 631,338.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,486.24 : 1,158,457.20 = 457,504.80 : x
  2. Step 2: Convert to fraction form
    839,486.24/1,158,457.20 = 457,504.80/x
  3. Step 3: Cross multiply
    839,486.24x = 1,158,457.20 × 457,504.80
  4. Step 4: Simplify right side
    839,486.24x = 529,999,729,594.56
  5. Step 5: Solve for x
    x = 529,999,729,594.56/839,486.24
  6. Step 6: Final answer
    x = 631,338.20

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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.