Home / 745,665.60-1,118,498.40-247,029.60

Finding the Fourth Proportional to 745,665.60, 1,118,498.40 and 247,029.60

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Solution

The fourth proportional to 745,665.60, 1,118,498.40 and 247,029.60 is: 370,544.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,665.60 : 1,118,498.40 = 247,029.60 : x
  2. Step 2: Convert to fraction form
    745,665.60/1,118,498.40 = 247,029.60/x
  3. Step 3: Cross multiply
    745,665.60x = 1,118,498.40 × 247,029.60
  4. Step 4: Simplify right side
    745,665.60x = 276,302,212,352.64
  5. Step 5: Solve for x
    x = 276,302,212,352.64/745,665.60
  6. Step 6: Final answer
    x = 370,544.40

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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.