Home / 713,815.63-1,071,003.78-314,176.21

Finding the Fourth Proportional to 713,815.63, 1,071,003.78 and 314,176.21

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Solution

The fourth proportional to 713,815.63, 1,071,003.78 and 314,176.21 is: 471,387.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,815.63 : 1,071,003.78 = 314,176.21 : x
  2. Step 2: Convert to fraction form
    713,815.63/1,071,003.78 = 314,176.21/x
  3. Step 3: Cross multiply
    713,815.63x = 1,071,003.78 × 314,176.21
  4. Step 4: Simplify right side
    713,815.63x = 336,483,908,496.07
  5. Step 5: Solve for x
    x = 336,483,908,496.07/713,815.63
  6. Step 6: Final answer
    x = 471,387.70

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1.5x scale

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.