Home / 909,168.25-1,363,807.05-278,087.53

Finding the Fourth Proportional to 909,168.25, 1,363,807.05 and 278,087.53

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Solution

The fourth proportional to 909,168.25, 1,363,807.05 and 278,087.53 is: 417,148.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,168.25 : 1,363,807.05 = 278,087.53 : x
  2. Step 2: Convert to fraction form
    909,168.25/1,363,807.05 = 278,087.53/x
  3. Step 3: Cross multiply
    909,168.25x = 1,363,807.05 × 278,087.53
  4. Step 4: Simplify right side
    909,168.25x = 379,257,733,931.09
  5. Step 5: Solve for x
    x = 379,257,733,931.09/909,168.25
  6. Step 6: Final answer
    x = 417,148.02

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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.