Home / 929,500.46-1,393,830.12-330,477.57

Finding the Fourth Proportional to 929,500.46, 1,393,830.12 and 330,477.57

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Solution

The fourth proportional to 929,500.46, 1,393,830.12 and 330,477.57 is: 495,566.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,500.46 : 1,393,830.12 = 330,477.57 : x
  2. Step 2: Convert to fraction form
    929,500.46/1,393,830.12 = 330,477.57/x
  3. Step 3: Cross multiply
    929,500.46x = 1,393,830.12 × 330,477.57
  4. Step 4: Simplify right side
    929,500.46x = 460,629,589,966.01
  5. Step 5: Solve for x
    x = 460,629,589,966.01/929,500.46
  6. Step 6: Final answer
    x = 495,566.82

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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.