Home / 833,040.09-1,249,301.34-300,491.91

Finding the Fourth Proportional to 833,040.09, 1,249,301.34 and 300,491.91

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Solution

The fourth proportional to 833,040.09, 1,249,301.34 and 300,491.91 is: 450,644.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,040.09 : 1,249,301.34 = 300,491.91 : x
  2. Step 2: Convert to fraction form
    833,040.09/1,249,301.34 = 300,491.91/x
  3. Step 3: Cross multiply
    833,040.09x = 1,249,301.34 × 300,491.91
  4. Step 4: Simplify right side
    833,040.09x = 375,404,945,822.16
  5. Step 5: Solve for x
    x = 375,404,945,822.16/833,040.09
  6. Step 6: Final answer
    x = 450,644.51

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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.