Home / 869,116.40-1,303,617.50-300,365.18

Finding the Fourth Proportional to 869,116.40, 1,303,617.50 and 300,365.18

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Solution

The fourth proportional to 869,116.40, 1,303,617.50 and 300,365.18 is: 450,528.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,116.40 : 1,303,617.50 = 300,365.18 : x
  2. Step 2: Convert to fraction form
    869,116.40/1,303,617.50 = 300,365.18/x
  3. Step 3: Cross multiply
    869,116.40x = 1,303,617.50 × 300,365.18
  4. Step 4: Simplify right side
    869,116.40x = 391,561,305,038.65
  5. Step 5: Solve for x
    x = 391,561,305,038.65/869,116.40
  6. Step 6: Final answer
    x = 450,528.04

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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.