Home / 841,617.81-1,161,440.01-479,065.02

Finding the Fourth Proportional to 841,617.81, 1,161,440.01 and 479,065.02

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Solution

The fourth proportional to 841,617.81, 1,161,440.01 and 479,065.02 is: 661,113.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,617.81 : 1,161,440.01 = 479,065.02 : x
  2. Step 2: Convert to fraction form
    841,617.81/1,161,440.01 = 479,065.02/x
  3. Step 3: Cross multiply
    841,617.81x = 1,161,440.01 × 479,065.02
  4. Step 4: Simplify right side
    841,617.81x = 556,405,281,619.45
  5. Step 5: Solve for x
    x = 556,405,281,619.45/841,617.81
  6. Step 6: Final answer
    x = 661,113.96

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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.