Home / 760,180.59-1,049,005.76-420,628.59

Finding the Fourth Proportional to 760,180.59, 1,049,005.76 and 420,628.59

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Solution

The fourth proportional to 760,180.59, 1,049,005.76 and 420,628.59 is: 580,443.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,180.59 : 1,049,005.76 = 420,628.59 : x
  2. Step 2: Convert to fraction form
    760,180.59/1,049,005.76 = 420,628.59/x
  3. Step 3: Cross multiply
    760,180.59x = 1,049,005.76 × 420,628.59
  4. Step 4: Simplify right side
    760,180.59x = 441,241,811,627.54
  5. Step 5: Solve for x
    x = 441,241,811,627.54/760,180.59
  6. Step 6: Final answer
    x = 580,443.41

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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.