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Finding the Fourth Proportional to 713,907.63, 1,070,516.97 and 414,463.59

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Solution

The fourth proportional to 713,907.63, 1,070,516.97 and 414,463.59 is: 621,495.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,907.63 : 1,070,516.97 = 414,463.59 : x
  2. Step 2: Convert to fraction form
    713,907.63/1,070,516.97 = 414,463.59/x
  3. Step 3: Cross multiply
    713,907.63x = 1,070,516.97 × 414,463.59
  4. Step 4: Simplify right side
    713,907.63x = 443,690,306,542.12
  5. Step 5: Solve for x
    x = 443,690,306,542.12/713,907.63
  6. Step 6: Final answer
    x = 621,495.40

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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.