Home / 612,814.02-845,734.44-340,933.14

Finding the Fourth Proportional to 612,814.02, 845,734.44 and 340,933.14

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Solution

The fourth proportional to 612,814.02, 845,734.44 and 340,933.14 is: 470,516.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,814.02 : 845,734.44 = 340,933.14 : x
  2. Step 2: Convert to fraction form
    612,814.02/845,734.44 = 340,933.14/x
  3. Step 3: Cross multiply
    612,814.02x = 845,734.44 × 340,933.14
  4. Step 4: Simplify right side
    612,814.02x = 288,338,898,235.34
  5. Step 5: Solve for x
    x = 288,338,898,235.34/612,814.02
  6. Step 6: Final answer
    x = 470,516.16

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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.