Home / 589,296.20-884,009.10-215,400.20

Finding the Fourth Proportional to 589,296.20, 884,009.10 and 215,400.20

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Solution

The fourth proportional to 589,296.20, 884,009.10 and 215,400.20 is: 323,123.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,296.20 : 884,009.10 = 215,400.20 : x
  2. Step 2: Convert to fraction form
    589,296.20/884,009.10 = 215,400.20/x
  3. Step 3: Cross multiply
    589,296.20x = 884,009.10 × 215,400.20
  4. Step 4: Simplify right side
    589,296.20x = 190,415,736,941.82
  5. Step 5: Solve for x
    x = 190,415,736,941.82/589,296.20
  6. Step 6: Final answer
    x = 323,123.99

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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.