Home / 788,612.30-1,183,210.05-256,150.70

Finding the Fourth Proportional to 788,612.30, 1,183,210.05 and 256,150.70

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Solution

The fourth proportional to 788,612.30, 1,183,210.05 and 256,150.70 is: 384,320.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,612.30 : 1,183,210.05 = 256,150.70 : x
  2. Step 2: Convert to fraction form
    788,612.30/1,183,210.05 = 256,150.70/x
  3. Step 3: Cross multiply
    788,612.30x = 1,183,210.05 × 256,150.70
  4. Step 4: Simplify right side
    788,612.30x = 303,080,082,554.54
  5. Step 5: Solve for x
    x = 303,080,082,554.54/788,612.30
  6. Step 6: Final answer
    x = 384,320.77

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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.