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Finding the Fourth Proportional to 607,731.84, 909,284.80 and 366,959.52

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Solution

The fourth proportional to 607,731.84, 909,284.80 and 366,959.52 is: 549,042.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,731.84 : 909,284.80 = 366,959.52 : x
  2. Step 2: Convert to fraction form
    607,731.84/909,284.80 = 366,959.52/x
  3. Step 3: Cross multiply
    607,731.84x = 909,284.80 × 366,959.52
  4. Step 4: Simplify right side
    607,731.84x = 333,670,713,751.30
  5. Step 5: Solve for x
    x = 333,670,713,751.30/607,731.84
  6. Step 6: Final answer
    x = 549,042.67

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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.