Home / 867,240.36-1,300,860.54-571,683.24

Finding the Fourth Proportional to 867,240.36, 1,300,860.54 and 571,683.24

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Solution

The fourth proportional to 867,240.36, 1,300,860.54 and 571,683.24 is: 857,524.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,240.36 : 1,300,860.54 = 571,683.24 : x
  2. Step 2: Convert to fraction form
    867,240.36/1,300,860.54 = 571,683.24/x
  3. Step 3: Cross multiply
    867,240.36x = 1,300,860.54 × 571,683.24
  4. Step 4: Simplify right side
    867,240.36x = 743,680,168,295.35
  5. Step 5: Solve for x
    x = 743,680,168,295.35/867,240.36
  6. Step 6: Final answer
    x = 857,524.86

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Similar ratio
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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.