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Finding the Fourth Proportional to 698,446.52, 963,830.58 and 426,969.08

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Solution

The fourth proportional to 698,446.52, 963,830.58 and 426,969.08 is: 589,201.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,446.52 : 963,830.58 = 426,969.08 : x
  2. Step 2: Convert to fraction form
    698,446.52/963,830.58 = 426,969.08/x
  3. Step 3: Cross multiply
    698,446.52x = 963,830.58 × 426,969.08
  4. Step 4: Simplify right side
    698,446.52x = 411,525,856,018.47
  5. Step 5: Solve for x
    x = 411,525,856,018.47/698,446.52
  6. Step 6: Final answer
    x = 589,201.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.