Home / 713,814.63-1,071,002.28-314,175.21

Finding the Fourth Proportional to 713,814.63, 1,071,002.28 and 314,175.21

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Solution

The fourth proportional to 713,814.63, 1,071,002.28 and 314,175.21 is: 471,386.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,814.63 : 1,071,002.28 = 314,175.21 : x
  2. Step 2: Convert to fraction form
    713,814.63/1,071,002.28 = 314,175.21/x
  3. Step 3: Cross multiply
    713,814.63x = 1,071,002.28 × 314,175.21
  4. Step 4: Simplify right side
    713,814.63x = 336,482,363,391.38
  5. Step 5: Solve for x
    x = 336,482,363,391.38/713,814.63
  6. Step 6: Final answer
    x = 471,386.20

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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.