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Finding the Fourth Proportional to 745,321.16, 1,028,527.04 and 435,277.08

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Solution

The fourth proportional to 745,321.16, 1,028,527.04 and 435,277.08 is: 600,672.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,321.16 : 1,028,527.04 = 435,277.08 : x
  2. Step 2: Convert to fraction form
    745,321.16/1,028,527.04 = 435,277.08/x
  3. Step 3: Cross multiply
    745,321.16x = 1,028,527.04 × 435,277.08
  4. Step 4: Simplify right side
    745,321.16x = 447,694,246,672.24
  5. Step 5: Solve for x
    x = 447,694,246,672.24/745,321.16
  6. Step 6: Final answer
    x = 600,672.93

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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.