Home / 784,943.64-1,083,132.81-440,733.51

Finding the Fourth Proportional to 784,943.64, 1,083,132.81 and 440,733.51

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Solution

The fourth proportional to 784,943.64, 1,083,132.81 and 440,733.51 is: 608,162.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,943.64 : 1,083,132.81 = 440,733.51 : x
  2. Step 2: Convert to fraction form
    784,943.64/1,083,132.81 = 440,733.51/x
  3. Step 3: Cross multiply
    784,943.64x = 1,083,132.81 × 440,733.51
  4. Step 4: Simplify right side
    784,943.64x = 477,372,925,147.46
  5. Step 5: Solve for x
    x = 477,372,925,147.46/784,943.64
  6. Step 6: Final answer
    x = 608,162.04

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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.