Home / 991,202.47-1,367,943.08-555,612.88

Finding the Fourth Proportional to 991,202.47, 1,367,943.08 and 555,612.88

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Solution

The fourth proportional to 991,202.47, 1,367,943.08 and 555,612.88 is: 766,792.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,202.47 : 1,367,943.08 = 555,612.88 : x
  2. Step 2: Convert to fraction form
    991,202.47/1,367,943.08 = 555,612.88/x
  3. Step 3: Cross multiply
    991,202.47x = 1,367,943.08 × 555,612.88
  4. Step 4: Simplify right side
    991,202.47x = 760,046,788,828.68
  5. Step 5: Solve for x
    x = 760,046,788,828.68/991,202.47
  6. Step 6: Final answer
    x = 766,792.67

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.