Home / 853,860.48-1,280,602.06-246,516.84

Finding the Fourth Proportional to 853,860.48, 1,280,602.06 and 246,516.84

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Solution

The fourth proportional to 853,860.48, 1,280,602.06 and 246,516.84 is: 369,720.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,860.48 : 1,280,602.06 = 246,516.84 : x
  2. Step 2: Convert to fraction form
    853,860.48/1,280,602.06 = 246,516.84/x
  3. Step 3: Cross multiply
    853,860.48x = 1,280,602.06 × 246,516.84
  4. Step 4: Simplify right side
    853,860.48x = 315,689,973,128.69
  5. Step 5: Solve for x
    x = 315,689,973,128.69/853,860.48
  6. Step 6: Final answer
    x = 369,720.79

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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.