Home / 897,199.07-1,345,933.26-289,784.52

Finding the Fourth Proportional to 897,199.07, 1,345,933.26 and 289,784.52

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Solution

The fourth proportional to 897,199.07, 1,345,933.26 and 289,784.52 is: 434,720.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,199.07 : 1,345,933.26 = 289,784.52 : x
  2. Step 2: Convert to fraction form
    897,199.07/1,345,933.26 = 289,784.52/x
  3. Step 3: Cross multiply
    897,199.07x = 1,345,933.26 × 289,784.52
  4. Step 4: Simplify right side
    897,199.07x = 390,030,623,701.14
  5. Step 5: Solve for x
    x = 390,030,623,701.14/897,199.07
  6. Step 6: Final answer
    x = 434,720.27

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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.