Home / 763,003.67-1,053,038.27-440,713.40

Finding the Fourth Proportional to 763,003.67, 1,053,038.27 and 440,713.40

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Solution

The fourth proportional to 763,003.67, 1,053,038.27 and 440,713.40 is: 608,238.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,003.67 : 1,053,038.27 = 440,713.40 : x
  2. Step 2: Convert to fraction form
    763,003.67/1,053,038.27 = 440,713.40/x
  3. Step 3: Cross multiply
    763,003.67x = 1,053,038.27 × 440,713.40
  4. Step 4: Simplify right side
    763,003.67x = 464,088,072,138.41
  5. Step 5: Solve for x
    x = 464,088,072,138.41/763,003.67
  6. Step 6: Final answer
    x = 608,238.33

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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.