Home / 774,055.18-1,161,218.85-353,373.58

Finding the Fourth Proportional to 774,055.18, 1,161,218.85 and 353,373.58

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Solution

The fourth proportional to 774,055.18, 1,161,218.85 and 353,373.58 is: 530,122.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,055.18 : 1,161,218.85 = 353,373.58 : x
  2. Step 2: Convert to fraction form
    774,055.18/1,161,218.85 = 353,373.58/x
  3. Step 3: Cross multiply
    774,055.18x = 1,161,218.85 × 353,373.58
  4. Step 4: Simplify right side
    774,055.18x = 410,344,062,187.98
  5. Step 5: Solve for x
    x = 410,344,062,187.98/774,055.18
  6. Step 6: Final answer
    x = 530,122.49

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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.