Home / 722,919.80-1,084,379.70-470,977.40

Finding the Fourth Proportional to 722,919.80, 1,084,379.70 and 470,977.40

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Solution

The fourth proportional to 722,919.80, 1,084,379.70 and 470,977.40 is: 706,466.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,919.80 : 1,084,379.70 = 470,977.40 : x
  2. Step 2: Convert to fraction form
    722,919.80/1,084,379.70 = 470,977.40/x
  3. Step 3: Cross multiply
    722,919.80x = 1,084,379.70 × 470,977.40
  4. Step 4: Simplify right side
    722,919.80x = 510,718,331,718.78
  5. Step 5: Solve for x
    x = 510,718,331,718.78/722,919.80
  6. Step 6: Final answer
    x = 706,466.10

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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.