Home / 979,077.60-1,467,925.20-379,807.20

Finding the Fourth Proportional to 979,077.60, 1,467,925.20 and 379,807.20

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Solution

The fourth proportional to 979,077.60, 1,467,925.20 and 379,807.20 is: 569,442.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,077.60 : 1,467,925.20 = 379,807.20 : x
  2. Step 2: Convert to fraction form
    979,077.60/1,467,925.20 = 379,807.20/x
  3. Step 3: Cross multiply
    979,077.60x = 1,467,925.20 × 379,807.20
  4. Step 4: Simplify right side
    979,077.60x = 557,528,560,021.44
  5. Step 5: Solve for x
    x = 557,528,560,021.44/979,077.60
  6. Step 6: Final answer
    x = 569,442.67

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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.