Home / 756,256.72-1,133,966.47-300,386.13

Finding the Fourth Proportional to 756,256.72, 1,133,966.47 and 300,386.13

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Solution

The fourth proportional to 756,256.72, 1,133,966.47 and 300,386.13 is: 450,412.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,256.72 : 1,133,966.47 = 300,386.13 : x
  2. Step 2: Convert to fraction form
    756,256.72/1,133,966.47 = 300,386.13/x
  3. Step 3: Cross multiply
    756,256.72x = 1,133,966.47 × 300,386.13
  4. Step 4: Simplify right side
    756,256.72x = 340,627,799,473.06
  5. Step 5: Solve for x
    x = 340,627,799,473.06/756,256.72
  6. Step 6: Final answer
    x = 450,412.92

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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.