Home / 760,261.24-1,049,154.42-420,748.12

Finding the Fourth Proportional to 760,261.24, 1,049,154.42 and 420,748.12

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Solution

The fourth proportional to 760,261.24, 1,049,154.42 and 420,748.12 is: 580,629.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,261.24 : 1,049,154.42 = 420,748.12 : x
  2. Step 2: Convert to fraction form
    760,261.24/1,049,154.42 = 420,748.12/x
  3. Step 3: Cross multiply
    760,261.24x = 1,049,154.42 × 420,748.12
  4. Step 4: Simplify right side
    760,261.24x = 441,429,749,804.69
  5. Step 5: Solve for x
    x = 441,429,749,804.69/760,261.24
  6. Step 6: Final answer
    x = 580,629.03

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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.