Home / 929,452.46-1,393,219.44-390,021.95

Finding the Fourth Proportional to 929,452.46, 1,393,219.44 and 390,021.95

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Solution

The fourth proportional to 929,452.46, 1,393,219.44 and 390,021.95 is: 584,630.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,452.46 : 1,393,219.44 = 390,021.95 : x
  2. Step 2: Convert to fraction form
    929,452.46/1,393,219.44 = 390,021.95/x
  3. Step 3: Cross multiply
    929,452.46x = 1,393,219.44 × 390,021.95
  4. Step 4: Simplify right side
    929,452.46x = 543,386,166,249.76
  5. Step 5: Solve for x
    x = 543,386,166,249.76/929,452.46
  6. Step 6: Final answer
    x = 584,630.41

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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.