Home / 788,853.15-1,183,478.67-220,233.74

Finding the Fourth Proportional to 788,853.15, 1,183,478.67 and 220,233.74

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Solution

The fourth proportional to 788,853.15, 1,183,478.67 and 220,233.74 is: 330,406.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,853.15 : 1,183,478.67 = 220,233.74 : x
  2. Step 2: Convert to fraction form
    788,853.15/1,183,478.67 = 220,233.74/x
  3. Step 3: Cross multiply
    788,853.15x = 1,183,478.67 × 220,233.74
  4. Step 4: Simplify right side
    788,853.15x = 260,641,927,786.93
  5. Step 5: Solve for x
    x = 260,641,927,786.93/788,853.15
  6. Step 6: Final answer
    x = 330,406.14

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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.