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Finding the Fourth Proportional to 452,378.39, 624,292.63 and 258,804.27

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Solution

The fourth proportional to 452,378.39, 624,292.63 and 258,804.27 is: 357,155.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,378.39 : 624,292.63 = 258,804.27 : x
  2. Step 2: Convert to fraction form
    452,378.39/624,292.63 = 258,804.27/x
  3. Step 3: Cross multiply
    452,378.39x = 624,292.63 × 258,804.27
  4. Step 4: Simplify right side
    452,378.39x = 161,569,597,726.52
  5. Step 5: Solve for x
    x = 161,569,597,726.52/452,378.39
  6. Step 6: Final answer
    x = 357,155.87

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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.