Home / 830,844.48-1,245,767.64-324,802.74

Finding the Fourth Proportional to 830,844.48, 1,245,767.64 and 324,802.74

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Solution

The fourth proportional to 830,844.48, 1,245,767.64 and 324,802.74 is: 487,009.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,844.48 : 1,245,767.64 = 324,802.74 : x
  2. Step 2: Convert to fraction form
    830,844.48/1,245,767.64 = 324,802.74/x
  3. Step 3: Cross multiply
    830,844.48x = 1,245,767.64 × 324,802.74
  4. Step 4: Simplify right side
    830,844.48x = 404,628,742,875.33
  5. Step 5: Solve for x
    x = 404,628,742,875.33/830,844.48
  6. Step 6: Final answer
    x = 487,009.00

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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.