Home / 745,215.59-1,028,532.13-439,274.34

Finding the Fourth Proportional to 745,215.59, 1,028,532.13 and 439,274.34

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Solution

The fourth proportional to 745,215.59, 1,028,532.13 and 439,274.34 is: 606,277.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,215.59 : 1,028,532.13 = 439,274.34 : x
  2. Step 2: Convert to fraction form
    745,215.59/1,028,532.13 = 439,274.34/x
  3. Step 3: Cross multiply
    745,215.59x = 1,028,532.13 × 439,274.34
  4. Step 4: Simplify right side
    745,215.59x = 451,807,771,476.36
  5. Step 5: Solve for x
    x = 451,807,771,476.36/745,215.59
  6. Step 6: Final answer
    x = 606,277.94

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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.