Home / 947,381.70-1,307,241.81-539,500.26

Finding the Fourth Proportional to 947,381.70, 1,307,241.81 and 539,500.26

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Solution

The fourth proportional to 947,381.70, 1,307,241.81 and 539,500.26 is: 744,427.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,381.70 : 1,307,241.81 = 539,500.26 : x
  2. Step 2: Convert to fraction form
    947,381.70/1,307,241.81 = 539,500.26/x
  3. Step 3: Cross multiply
    947,381.70x = 1,307,241.81 × 539,500.26
  4. Step 4: Simplify right side
    947,381.70x = 705,257,296,377.87
  5. Step 5: Solve for x
    x = 705,257,296,377.87/947,381.70
  6. Step 6: Final answer
    x = 744,427.82

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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.