Home / 682,783.80-1,024,175.70-470,207.40

Finding the Fourth Proportional to 682,783.80, 1,024,175.70 and 470,207.40

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Solution

The fourth proportional to 682,783.80, 1,024,175.70 and 470,207.40 is: 705,311.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,783.80 : 1,024,175.70 = 470,207.40 : x
  2. Step 2: Convert to fraction form
    682,783.80/1,024,175.70 = 470,207.40/x
  3. Step 3: Cross multiply
    682,783.80x = 1,024,175.70 × 470,207.40
  4. Step 4: Simplify right side
    682,783.80x = 481,574,993,040.18
  5. Step 5: Solve for x
    x = 481,574,993,040.18/682,783.80
  6. Step 6: Final answer
    x = 705,311.10

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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.