Home / 885,496.16-1,221,980.64-483,088.16

Finding the Fourth Proportional to 885,496.16, 1,221,980.64 and 483,088.16

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Solution

The fourth proportional to 885,496.16, 1,221,980.64 and 483,088.16 is: 666,659.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,496.16 : 1,221,980.64 = 483,088.16 : x
  2. Step 2: Convert to fraction form
    885,496.16/1,221,980.64 = 483,088.16/x
  3. Step 3: Cross multiply
    885,496.16x = 1,221,980.64 × 483,088.16
  4. Step 4: Simplify right side
    885,496.16x = 590,324,378,933.22
  5. Step 5: Solve for x
    x = 590,324,378,933.22/885,496.16
  6. Step 6: Final answer
    x = 666,659.45

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