Home / 738,116.70-1,107,693.45-472,523.10

Finding the Fourth Proportional to 738,116.70, 1,107,693.45 and 472,523.10

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Solution

The fourth proportional to 738,116.70, 1,107,693.45 and 472,523.10 is: 709,116.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,116.70 : 1,107,693.45 = 472,523.10 : x
  2. Step 2: Convert to fraction form
    738,116.70/1,107,693.45 = 472,523.10/x
  3. Step 3: Cross multiply
    738,116.70x = 1,107,693.45 × 472,523.10
  4. Step 4: Simplify right side
    738,116.70x = 523,410,742,843.70
  5. Step 5: Solve for x
    x = 523,410,742,843.70/738,116.70
  6. Step 6: Final answer
    x = 709,116.52

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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.