Home / 916,580.75-1,374,886.58-317,559.56

Finding the Fourth Proportional to 916,580.75, 1,374,886.58 and 317,559.56

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Solution

The fourth proportional to 916,580.75, 1,374,886.58 and 317,559.56 is: 476,344.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,580.75 : 1,374,886.58 = 317,559.56 : x
  2. Step 2: Convert to fraction form
    916,580.75/1,374,886.58 = 317,559.56/x
  3. Step 3: Cross multiply
    916,580.75x = 1,374,886.58 × 317,559.56
  4. Step 4: Simplify right side
    916,580.75x = 436,608,368,932.47
  5. Step 5: Solve for x
    x = 436,608,368,932.47/916,580.75
  6. Step 6: Final answer
    x = 476,344.69

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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.