Home / 835,374.48-1,152,817.92-453,401.28

Finding the Fourth Proportional to 835,374.48, 1,152,817.92 and 453,401.28

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Solution

The fourth proportional to 835,374.48, 1,152,817.92 and 453,401.28 is: 625,694.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,374.48 : 1,152,817.92 = 453,401.28 : x
  2. Step 2: Convert to fraction form
    835,374.48/1,152,817.92 = 453,401.28/x
  3. Step 3: Cross multiply
    835,374.48x = 1,152,817.92 × 453,401.28
  4. Step 4: Simplify right side
    835,374.48x = 522,689,120,534.94
  5. Step 5: Solve for x
    x = 522,689,120,534.94/835,374.48
  6. Step 6: Final answer
    x = 625,694.38

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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.