Home / 434,429.80-651,644.70-268,541.80

Finding the Fourth Proportional to 434,429.80, 651,644.70 and 268,541.80

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Solution

The fourth proportional to 434,429.80, 651,644.70 and 268,541.80 is: 402,812.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,429.80 : 651,644.70 = 268,541.80 : x
  2. Step 2: Convert to fraction form
    434,429.80/651,644.70 = 268,541.80/x
  3. Step 3: Cross multiply
    434,429.80x = 651,644.70 × 268,541.80
  4. Step 4: Simplify right side
    434,429.80x = 174,993,840,698.46
  5. Step 5: Solve for x
    x = 174,993,840,698.46/434,429.80
  6. Step 6: Final answer
    x = 402,812.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.