Home / 867,452.79-1,300,855.55-298,673.19

Finding the Fourth Proportional to 867,452.79, 1,300,855.55 and 298,673.19

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Solution

The fourth proportional to 867,452.79, 1,300,855.55 and 298,673.19 is: 447,898.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,452.79 : 1,300,855.55 = 298,673.19 : x
  2. Step 2: Convert to fraction form
    867,452.79/1,300,855.55 = 298,673.19/x
  3. Step 3: Cross multiply
    867,452.79x = 1,300,855.55 × 298,673.19
  4. Step 4: Simplify right side
    867,452.79x = 388,530,675,354.34
  5. Step 5: Solve for x
    x = 388,530,675,354.34/867,452.79
  6. Step 6: Final answer
    x = 447,898.35

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Double scale
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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.