Home / 853,362.06-1,280,042.67-254,307.93

Finding the Fourth Proportional to 853,362.06, 1,280,042.67 and 254,307.93

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Solution

The fourth proportional to 853,362.06, 1,280,042.67 and 254,307.93 is: 381,461.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,362.06 : 1,280,042.67 = 254,307.93 : x
  2. Step 2: Convert to fraction form
    853,362.06/1,280,042.67 = 254,307.93/x
  3. Step 3: Cross multiply
    853,362.06x = 1,280,042.67 × 254,307.93
  4. Step 4: Simplify right side
    853,362.06x = 325,525,001,719.37
  5. Step 5: Solve for x
    x = 325,525,001,719.37/853,362.06
  6. Step 6: Final answer
    x = 381,461.77

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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.