Home / 915,726.32-1,373,786.03-308,574.62

Finding the Fourth Proportional to 915,726.32, 1,373,786.03 and 308,574.62

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Solution

The fourth proportional to 915,726.32, 1,373,786.03 and 308,574.62 is: 462,928.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,726.32 : 1,373,786.03 = 308,574.62 : x
  2. Step 2: Convert to fraction form
    915,726.32/1,373,786.03 = 308,574.62/x
  3. Step 3: Cross multiply
    915,726.32x = 1,373,786.03 × 308,574.62
  4. Step 4: Simplify right side
    915,726.32x = 423,915,496,071.07
  5. Step 5: Solve for x
    x = 423,915,496,071.07/915,726.32
  6. Step 6: Final answer
    x = 462,928.16

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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.