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Finding the Fourth Proportional to 748,159, 1,030,284.86 and 649,996.86

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Solution

The fourth proportional to 748,159, 1,030,284.86 and 649,996.86 is: 895,106.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,159 : 1,030,284.86 = 649,996.86 : x
  2. Step 2: Convert to fraction form
    748,159/1,030,284.86 = 649,996.86/x
  3. Step 3: Cross multiply
    748,159x = 1,030,284.86 × 649,996.86
  4. Step 4: Simplify right side
    748,159x = 669,681,923,905.54
  5. Step 5: Solve for x
    x = 669,681,923,905.54/748,159
  6. Step 6: Final answer
    x = 895,106.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.