Home / 897,947.80-1,346,921.70-646,989.55

Finding the Fourth Proportional to 897,947.80, 1,346,921.70 and 646,989.55

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Solution

The fourth proportional to 897,947.80, 1,346,921.70 and 646,989.55 is: 970,484.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,947.80 : 1,346,921.70 = 646,989.55 : x
  2. Step 2: Convert to fraction form
    897,947.80/1,346,921.70 = 646,989.55/x
  3. Step 3: Cross multiply
    897,947.80x = 1,346,921.70 × 646,989.55
  4. Step 4: Simplify right side
    897,947.80x = 871,444,264,568.24
  5. Step 5: Solve for x
    x = 871,444,264,568.24/897,947.80
  6. Step 6: Final answer
    x = 970,484.33

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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.