Home / 909,122.51-1,363,465.06-278,041.79

Finding the Fourth Proportional to 909,122.51, 1,363,465.06 and 278,041.79

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Solution

The fourth proportional to 909,122.51, 1,363,465.06 and 278,041.79 is: 416,995.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,122.51 : 1,363,465.06 = 278,041.79 : x
  2. Step 2: Convert to fraction form
    909,122.51/1,363,465.06 = 278,041.79/x
  3. Step 3: Cross multiply
    909,122.51x = 1,363,465.06 × 278,041.79
  4. Step 4: Simplify right side
    909,122.51x = 379,100,268,598.42
  5. Step 5: Solve for x
    x = 379,100,268,598.42/909,122.51
  6. Step 6: Final answer
    x = 416,995.80

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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.