Home / 848,330.40-1,272,462.30-287,364.84

Finding the Fourth Proportional to 848,330.40, 1,272,462.30 and 287,364.84

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Solution

The fourth proportional to 848,330.40, 1,272,462.30 and 287,364.84 is: 431,035.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,330.40 : 1,272,462.30 = 287,364.84 : x
  2. Step 2: Convert to fraction form
    848,330.40/1,272,462.30 = 287,364.84/x
  3. Step 3: Cross multiply
    848,330.40x = 1,272,462.30 × 287,364.84
  4. Step 4: Simplify right side
    848,330.40x = 365,660,925,245.53
  5. Step 5: Solve for x
    x = 365,660,925,245.53/848,330.40
  6. Step 6: Final answer
    x = 431,035.98

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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.