Home / 909,530.78-1,364,300.21-235,564.20

Finding the Fourth Proportional to 909,530.78, 1,364,300.21 and 235,564.20

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Solution

The fourth proportional to 909,530.78, 1,364,300.21 and 235,564.20 is: 353,347.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,530.78 : 1,364,300.21 = 235,564.20 : x
  2. Step 2: Convert to fraction form
    909,530.78/1,364,300.21 = 235,564.20/x
  3. Step 3: Cross multiply
    909,530.78x = 1,364,300.21 × 235,564.20
  4. Step 4: Simplify right side
    909,530.78x = 321,380,288,117.39
  5. Step 5: Solve for x
    x = 321,380,288,117.39/909,530.78
  6. Step 6: Final answer
    x = 353,347.35

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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.