Home / 845,942.40-1,166,788.80-718,416

Finding the Fourth Proportional to 845,942.40, 1,166,788.80 and 718,416

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Solution

The fourth proportional to 845,942.40, 1,166,788.80 and 718,416 is: 990,894.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,942.40 : 1,166,788.80 = 718,416 : x
  2. Step 2: Convert to fraction form
    845,942.40/1,166,788.80 = 718,416/x
  3. Step 3: Cross multiply
    845,942.40x = 1,166,788.80 × 718,416
  4. Step 4: Simplify right side
    845,942.40x = 838,239,742,540.80
  5. Step 5: Solve for x
    x = 838,239,742,540.80/845,942.40
  6. Step 6: Final answer
    x = 990,894.58

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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.