Home / 868,661.55-1,303,166.52-300,063.42

Finding the Fourth Proportional to 868,661.55, 1,303,166.52 and 300,063.42

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Solution

The fourth proportional to 868,661.55, 1,303,166.52 and 300,063.42 is: 450,155.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,661.55 : 1,303,166.52 = 300,063.42 : x
  2. Step 2: Convert to fraction form
    868,661.55/1,303,166.52 = 300,063.42/x
  3. Step 3: Cross multiply
    868,661.55x = 1,303,166.52 × 300,063.42
  4. Step 4: Simplify right side
    868,661.55x = 391,032,602,820.70
  5. Step 5: Solve for x
    x = 391,032,602,820.70/868,661.55
  6. Step 6: Final answer
    x = 450,155.30

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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.