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Finding the Fourth Proportional to 541,374.48, 746,925.03 and 314,976.24

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Solution

The fourth proportional to 541,374.48, 746,925.03 and 314,976.24 is: 434,567.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,374.48 : 746,925.03 = 314,976.24 : x
  2. Step 2: Convert to fraction form
    541,374.48/746,925.03 = 314,976.24/x
  3. Step 3: Cross multiply
    541,374.48x = 746,925.03 × 314,976.24
  4. Step 4: Simplify right side
    541,374.48x = 235,263,637,511.29
  5. Step 5: Solve for x
    x = 235,263,637,511.29/541,374.48
  6. Step 6: Final answer
    x = 434,567.28

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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.