Home / 869,027.40-1,303,541.10-370,326.60

Finding the Fourth Proportional to 869,027.40, 1,303,541.10 and 370,326.60

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Solution

The fourth proportional to 869,027.40, 1,303,541.10 and 370,326.60 is: 555,489.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,027.40 : 1,303,541.10 = 370,326.60 : x
  2. Step 2: Convert to fraction form
    869,027.40/1,303,541.10 = 370,326.60/x
  3. Step 3: Cross multiply
    869,027.40x = 1,303,541.10 × 370,326.60
  4. Step 4: Simplify right side
    869,027.40x = 482,735,943,523.26
  5. Step 5: Solve for x
    x = 482,735,943,523.26/869,027.40
  6. Step 6: Final answer
    x = 555,489.90

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Double scale
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Similar ratio
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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.