Home / 846,587.76-1,269,888.68-215,500.40

Finding the Fourth Proportional to 846,587.76, 1,269,888.68 and 215,500.40

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Solution

The fourth proportional to 846,587.76, 1,269,888.68 and 215,500.40 is: 323,252.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,587.76 : 1,269,888.68 = 215,500.40 : x
  2. Step 2: Convert to fraction form
    846,587.76/1,269,888.68 = 215,500.40/x
  3. Step 3: Cross multiply
    846,587.76x = 1,269,888.68 × 215,500.40
  4. Step 4: Simplify right side
    846,587.76x = 273,661,518,495.47
  5. Step 5: Solve for x
    x = 273,661,518,495.47/846,587.76
  6. Step 6: Final answer
    x = 323,252.39

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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.