Home / 993,531.33-1,370,995.07-563,811.46

Finding the Fourth Proportional to 993,531.33, 1,370,995.07 and 563,811.46

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Solution

The fourth proportional to 993,531.33, 1,370,995.07 and 563,811.46 is: 778,015.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,531.33 : 1,370,995.07 = 563,811.46 : x
  2. Step 2: Convert to fraction form
    993,531.33/1,370,995.07 = 563,811.46/x
  3. Step 3: Cross multiply
    993,531.33x = 1,370,995.07 × 563,811.46
  4. Step 4: Simplify right side
    993,531.33x = 772,982,725,822.96
  5. Step 5: Solve for x
    x = 772,982,725,822.96/993,531.33
  6. Step 6: Final answer
    x = 778,015.45

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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.