Home / 830,453.55-1,146,025.93-448,480.33

Finding the Fourth Proportional to 830,453.55, 1,146,025.93 and 448,480.33

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Solution

The fourth proportional to 830,453.55, 1,146,025.93 and 448,480.33 is: 618,902.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,453.55 : 1,146,025.93 = 448,480.33 : x
  2. Step 2: Convert to fraction form
    830,453.55/1,146,025.93 = 448,480.33/x
  3. Step 3: Cross multiply
    830,453.55x = 1,146,025.93 × 448,480.33
  4. Step 4: Simplify right side
    830,453.55x = 513,970,087,274.96
  5. Step 5: Solve for x
    x = 513,970,087,274.96/830,453.55
  6. Step 6: Final answer
    x = 618,902.87

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.