Home / 713,939.81-1,071,190.07-314,300.18

Finding the Fourth Proportional to 713,939.81, 1,071,190.07 and 314,300.18

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Solution

The fourth proportional to 713,939.81, 1,071,190.07 and 314,300.18 is: 471,573.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,939.81 : 1,071,190.07 = 314,300.18 : x
  2. Step 2: Convert to fraction form
    713,939.81/1,071,190.07 = 314,300.18/x
  3. Step 3: Cross multiply
    713,939.81x = 1,071,190.07 × 314,300.18
  4. Step 4: Simplify right side
    713,939.81x = 336,675,234,100.31
  5. Step 5: Solve for x
    x = 336,675,234,100.31/713,939.81
  6. Step 6: Final answer
    x = 471,573.70

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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.