Home / 465,323.40-698,641.20-288,176.40

Finding the Fourth Proportional to 465,323.40, 698,641.20 and 288,176.40

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Solution

The fourth proportional to 465,323.40, 698,641.20 and 288,176.40 is: 432,670.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,323.40 : 698,641.20 = 288,176.40 : x
  2. Step 2: Convert to fraction form
    465,323.40/698,641.20 = 288,176.40/x
  3. Step 3: Cross multiply
    465,323.40x = 698,641.20 × 288,176.40
  4. Step 4: Simplify right side
    465,323.40x = 201,331,905,907.68
  5. Step 5: Solve for x
    x = 201,331,905,907.68/465,323.40
  6. Step 6: Final answer
    x = 432,670.93

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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.