Home / 780,487.10-1,170,932.14-240,731.24

Finding the Fourth Proportional to 780,487.10, 1,170,932.14 and 240,731.24

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Solution

The fourth proportional to 780,487.10, 1,170,932.14 and 240,731.24 is: 361,159.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,487.10 : 1,170,932.14 = 240,731.24 : x
  2. Step 2: Convert to fraction form
    780,487.10/1,170,932.14 = 240,731.24/x
  3. Step 3: Cross multiply
    780,487.10x = 1,170,932.14 × 240,731.24
  4. Step 4: Simplify right side
    780,487.10x = 281,879,946,018.05
  5. Step 5: Solve for x
    x = 281,879,946,018.05/780,487.10
  6. Step 6: Final answer
    x = 361,159.01

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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.