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Finding the Fourth Proportional to 579,075.08, 868,728.68 and 200,009.72

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Solution

The fourth proportional to 579,075.08, 868,728.68 and 200,009.72 is: 300,054.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,075.08 : 868,728.68 = 200,009.72 : x
  2. Step 2: Convert to fraction form
    579,075.08/868,728.68 = 200,009.72/x
  3. Step 3: Cross multiply
    579,075.08x = 868,728.68 × 200,009.72
  4. Step 4: Simplify right side
    579,075.08x = 173,754,180,042.77
  5. Step 5: Solve for x
    x = 173,754,180,042.77/579,075.08
  6. Step 6: Final answer
    x = 300,054.67

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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.