Home / 909,641.92-1,364,466.08-278,552.96

Finding the Fourth Proportional to 909,641.92, 1,364,466.08 and 278,552.96

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Solution

The fourth proportional to 909,641.92, 1,364,466.08 and 278,552.96 is: 417,830.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,641.92 : 1,364,466.08 = 278,552.96 : x
  2. Step 2: Convert to fraction form
    909,641.92/1,364,466.08 = 278,552.96/x
  3. Step 3: Cross multiply
    909,641.92x = 1,364,466.08 × 278,552.96
  4. Step 4: Simplify right side
    909,641.92x = 380,076,065,403.60
  5. Step 5: Solve for x
    x = 380,076,065,403.60/909,641.92
  6. Step 6: Final answer
    x = 417,830.42

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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.