Home / 972,187.60-1,458,281.40-307,339.60

Finding the Fourth Proportional to 972,187.60, 1,458,281.40 and 307,339.60

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Solution

The fourth proportional to 972,187.60, 1,458,281.40 and 307,339.60 is: 461,009.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,187.60 : 1,458,281.40 = 307,339.60 : x
  2. Step 2: Convert to fraction form
    972,187.60/1,458,281.40 = 307,339.60/x
  3. Step 3: Cross multiply
    972,187.60x = 1,458,281.40 × 307,339.60
  4. Step 4: Simplify right side
    972,187.60x = 448,187,622,163.44
  5. Step 5: Solve for x
    x = 448,187,622,163.44/972,187.60
  6. Step 6: Final answer
    x = 461,009.40

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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.