Home / 545,423.07-752,676.66-300,403.13

Finding the Fourth Proportional to 545,423.07, 752,676.66 and 300,403.13

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Solution

The fourth proportional to 545,423.07, 752,676.66 and 300,403.13 is: 414,552.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,423.07 : 752,676.66 = 300,403.13 : x
  2. Step 2: Convert to fraction form
    545,423.07/752,676.66 = 300,403.13/x
  3. Step 3: Cross multiply
    545,423.07x = 752,676.66 × 300,403.13
  4. Step 4: Simplify right side
    545,423.07x = 226,106,419,276.55
  5. Step 5: Solve for x
    x = 226,106,419,276.55/545,423.07
  6. Step 6: Final answer
    x = 414,552.36

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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.