Home / 589,316.20-884,039.10-215,420.20

Finding the Fourth Proportional to 589,316.20, 884,039.10 and 215,420.20

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Solution

The fourth proportional to 589,316.20, 884,039.10 and 215,420.20 is: 323,153.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,316.20 : 884,039.10 = 215,420.20 : x
  2. Step 2: Convert to fraction form
    589,316.20/884,039.10 = 215,420.20/x
  3. Step 3: Cross multiply
    589,316.20x = 884,039.10 × 215,420.20
  4. Step 4: Simplify right side
    589,316.20x = 190,439,879,729.82
  5. Step 5: Solve for x
    x = 190,439,879,729.82/589,316.20
  6. Step 6: Final answer
    x = 323,153.99

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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.