Home / 807,237.70-1,113,993.71-463,088.64

Finding the Fourth Proportional to 807,237.70, 1,113,993.71 and 463,088.64

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Solution

The fourth proportional to 807,237.70, 1,113,993.71 and 463,088.64 is: 639,065.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,237.70 : 1,113,993.71 = 463,088.64 : x
  2. Step 2: Convert to fraction form
    807,237.70/1,113,993.71 = 463,088.64/x
  3. Step 3: Cross multiply
    807,237.70x = 1,113,993.71 × 463,088.64
  4. Step 4: Simplify right side
    807,237.70x = 515,877,835,731.07
  5. Step 5: Solve for x
    x = 515,877,835,731.07/807,237.70
  6. Step 6: Final answer
    x = 639,065.59

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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.