Home / 916,557.39-1,374,507.90-317,357.60

Finding the Fourth Proportional to 916,557.39, 1,374,507.90 and 317,357.60

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Solution

The fourth proportional to 916,557.39, 1,374,507.90 and 317,357.60 is: 475,922.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,557.39 : 1,374,507.90 = 317,357.60 : x
  2. Step 2: Convert to fraction form
    916,557.39/1,374,507.90 = 317,357.60/x
  3. Step 3: Cross multiply
    916,557.39x = 1,374,507.90 × 317,357.60
  4. Step 4: Simplify right side
    916,557.39x = 436,210,521,452.50
  5. Step 5: Solve for x
    x = 436,210,521,452.50/916,557.39
  6. Step 6: Final answer
    x = 475,922.76

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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.