Home / 979,059.78-1,468,602.63-380,055.06

Finding the Fourth Proportional to 979,059.78, 1,468,602.63 and 380,055.06

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Solution

The fourth proportional to 979,059.78, 1,468,602.63 and 380,055.06 is: 570,087.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,059.78 : 1,468,602.63 = 380,055.06 : x
  2. Step 2: Convert to fraction form
    979,059.78/1,468,602.63 = 380,055.06/x
  3. Step 3: Cross multiply
    979,059.78x = 1,468,602.63 × 380,055.06
  4. Step 4: Simplify right side
    979,059.78x = 558,149,860,660.81
  5. Step 5: Solve for x
    x = 558,149,860,660.81/979,059.78
  6. Step 6: Final answer
    x = 570,087.62

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1.5x scale

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.