Home / 859,574.36-1,289,360.06-228,488.20

Finding the Fourth Proportional to 859,574.36, 1,289,360.06 and 228,488.20

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Solution

The fourth proportional to 859,574.36, 1,289,360.06 and 228,488.20 is: 342,731.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,574.36 : 1,289,360.06 = 228,488.20 : x
  2. Step 2: Convert to fraction form
    859,574.36/1,289,360.06 = 228,488.20/x
  3. Step 3: Cross multiply
    859,574.36x = 1,289,360.06 × 228,488.20
  4. Step 4: Simplify right side
    859,574.36x = 294,603,559,261.29
  5. Step 5: Solve for x
    x = 294,603,559,261.29/859,574.36
  6. Step 6: Final answer
    x = 342,731.91

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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.