Home / 835,401.76-1,152,856.64-453,428.54

Finding the Fourth Proportional to 835,401.76, 1,152,856.64 and 453,428.54

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Solution

The fourth proportional to 835,401.76, 1,152,856.64 and 453,428.54 is: 625,732.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,401.76 : 1,152,856.64 = 453,428.54 : x
  2. Step 2: Convert to fraction form
    835,401.76/1,152,856.64 = 453,428.54/x
  3. Step 3: Cross multiply
    835,401.76x = 1,152,856.64 × 453,428.54
  4. Step 4: Simplify right side
    835,401.76x = 522,738,101,521.74
  5. Step 5: Solve for x
    x = 522,738,101,521.74/835,401.76
  6. Step 6: Final answer
    x = 625,732.59

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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.