Home / 780,460.14-1,168,779.54-644,693.58

Finding the Fourth Proportional to 780,460.14, 1,168,779.54 and 644,693.58

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Solution

The fourth proportional to 780,460.14, 1,168,779.54 and 644,693.58 is: 965,462.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,460.14 : 1,168,779.54 = 644,693.58 : x
  2. Step 2: Convert to fraction form
    780,460.14/1,168,779.54 = 644,693.58/x
  3. Step 3: Cross multiply
    780,460.14x = 1,168,779.54 × 644,693.58
  4. Step 4: Simplify right side
    780,460.14x = 753,504,665,873.35
  5. Step 5: Solve for x
    x = 753,504,665,873.35/780,460.14
  6. Step 6: Final answer
    x = 965,462.07

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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.