Home / 869,110.40-1,303,762.80-270,066.80

Finding the Fourth Proportional to 869,110.40, 1,303,762.80 and 270,066.80

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Solution

The fourth proportional to 869,110.40, 1,303,762.80 and 270,066.80 is: 405,130.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,110.40 : 1,303,762.80 = 270,066.80 : x
  2. Step 2: Convert to fraction form
    869,110.40/1,303,762.80 = 270,066.80/x
  3. Step 3: Cross multiply
    869,110.40x = 1,303,762.80 × 270,066.80
  4. Step 4: Simplify right side
    869,110.40x = 352,103,047,355.04
  5. Step 5: Solve for x
    x = 352,103,047,355.04/869,110.40
  6. Step 6: Final answer
    x = 405,130.40

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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.