Home / 905,678.13-1,358,433.90-306,570.81

Finding the Fourth Proportional to 905,678.13, 1,358,433.90 and 306,570.81

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Solution

The fourth proportional to 905,678.13, 1,358,433.90 and 306,570.81 is: 459,828.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,678.13 : 1,358,433.90 = 306,570.81 : x
  2. Step 2: Convert to fraction form
    905,678.13/1,358,433.90 = 306,570.81/x
  3. Step 3: Cross multiply
    905,678.13x = 1,358,433.90 × 306,570.81
  4. Step 4: Simplify right side
    905,678.13x = 416,456,181,054.46
  5. Step 5: Solve for x
    x = 416,456,181,054.46/905,678.13
  6. Step 6: Final answer
    x = 459,828.02

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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.