Home / 867,760.50-1,301,663.79-276,784.50

Finding the Fourth Proportional to 867,760.50, 1,301,663.79 and 276,784.50

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Solution

The fourth proportional to 867,760.50, 1,301,663.79 and 276,784.50 is: 415,184.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,760.50 : 1,301,663.79 = 276,784.50 : x
  2. Step 2: Convert to fraction form
    867,760.50/1,301,663.79 = 276,784.50/x
  3. Step 3: Cross multiply
    867,760.50x = 1,301,663.79 × 276,784.50
  4. Step 4: Simplify right side
    867,760.50x = 360,280,361,283.26
  5. Step 5: Solve for x
    x = 360,280,361,283.26/867,760.50
  6. Step 6: Final answer
    x = 415,184.10

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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.