Home / 770,036.54-1,155,134.03-290,668.10

Finding the Fourth Proportional to 770,036.54, 1,155,134.03 and 290,668.10

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Solution

The fourth proportional to 770,036.54, 1,155,134.03 and 290,668.10 is: 436,032.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,036.54 : 1,155,134.03 = 290,668.10 : x
  2. Step 2: Convert to fraction form
    770,036.54/1,155,134.03 = 290,668.10/x
  3. Step 3: Cross multiply
    770,036.54x = 1,155,134.03 × 290,668.10
  4. Step 4: Simplify right side
    770,036.54x = 335,760,606,516.43
  5. Step 5: Solve for x
    x = 335,760,606,516.43/770,036.54
  6. Step 6: Final answer
    x = 436,032.05

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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.