Home / 869,151.80-1,303,727.70-308,113.40

Finding the Fourth Proportional to 869,151.80, 1,303,727.70 and 308,113.40

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Solution

The fourth proportional to 869,151.80, 1,303,727.70 and 308,113.40 is: 462,170.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,151.80 : 1,303,727.70 = 308,113.40 : x
  2. Step 2: Convert to fraction form
    869,151.80/1,303,727.70 = 308,113.40/x
  3. Step 3: Cross multiply
    869,151.80x = 1,303,727.70 × 308,113.40
  4. Step 4: Simplify right side
    869,151.80x = 401,695,974,321.18
  5. Step 5: Solve for x
    x = 401,695,974,321.18/869,151.80
  6. Step 6: Final answer
    x = 462,170.10

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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.