Home / 839,532.32-1,158,578.88-457,583.84

Finding the Fourth Proportional to 839,532.32, 1,158,578.88 and 457,583.84

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Solution

The fourth proportional to 839,532.32, 1,158,578.88 and 457,583.84 is: 631,478.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,532.32 : 1,158,578.88 = 457,583.84 : x
  2. Step 2: Convert to fraction form
    839,532.32/1,158,578.88 = 457,583.84/x
  3. Step 3: Cross multiply
    839,532.32x = 1,158,578.88 × 457,583.84
  4. Step 4: Simplify right side
    839,532.32x = 530,146,972,853.30
  5. Step 5: Solve for x
    x = 530,146,972,853.30/839,532.32
  6. Step 6: Final answer
    x = 631,478.93

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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.