Home / 848,369.70-1,272,488.40-493,157.16

Finding the Fourth Proportional to 848,369.70, 1,272,488.40 and 493,157.16

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Solution

The fourth proportional to 848,369.70, 1,272,488.40 and 493,157.16 is: 739,697.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,369.70 : 1,272,488.40 = 493,157.16 : x
  2. Step 2: Convert to fraction form
    848,369.70/1,272,488.40 = 493,157.16/x
  3. Step 3: Cross multiply
    848,369.70x = 1,272,488.40 × 493,157.16
  4. Step 4: Simplify right side
    848,369.70x = 627,536,765,476.94
  5. Step 5: Solve for x
    x = 627,536,765,476.94/848,369.70
  6. Step 6: Final answer
    x = 739,697.29

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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.