Home / 949,463.80-1,424,210.10-309,764.68

Finding the Fourth Proportional to 949,463.80, 1,424,210.10 and 309,764.68

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Solution

The fourth proportional to 949,463.80, 1,424,210.10 and 309,764.68 is: 464,651.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,463.80 : 1,424,210.10 = 309,764.68 : x
  2. Step 2: Convert to fraction form
    949,463.80/1,424,210.10 = 309,764.68/x
  3. Step 3: Cross multiply
    949,463.80x = 1,424,210.10 × 309,764.68
  4. Step 4: Simplify right side
    949,463.80x = 441,169,985,879.27
  5. Step 5: Solve for x
    x = 441,169,985,879.27/949,463.80
  6. Step 6: Final answer
    x = 464,651.72

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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.