Home / 646,016.60-891,532.08-374,096.36

Finding the Fourth Proportional to 646,016.60, 891,532.08 and 374,096.36

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Solution

The fourth proportional to 646,016.60, 891,532.08 and 374,096.36 is: 516,269.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,016.60 : 891,532.08 = 374,096.36 : x
  2. Step 2: Convert to fraction form
    646,016.60/891,532.08 = 374,096.36/x
  3. Step 3: Cross multiply
    646,016.60x = 891,532.08 × 374,096.36
  4. Step 4: Simplify right side
    646,016.60x = 333,518,905,951.23
  5. Step 5: Solve for x
    x = 333,518,905,951.23/646,016.60
  6. Step 6: Final answer
    x = 516,269.87

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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.