Home / 931,307.22-1,395,792.81-398,202.48

Finding the Fourth Proportional to 931,307.22, 1,395,792.81 and 398,202.48

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Solution

The fourth proportional to 931,307.22, 1,395,792.81 and 398,202.48 is: 596,804.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,307.22 : 1,395,792.81 = 398,202.48 : x
  2. Step 2: Convert to fraction form
    931,307.22/1,395,792.81 = 398,202.48/x
  3. Step 3: Cross multiply
    931,307.22x = 1,395,792.81 × 398,202.48
  4. Step 4: Simplify right side
    931,307.22x = 555,808,158,508.17
  5. Step 5: Solve for x
    x = 555,808,158,508.17/931,307.22
  6. Step 6: Final answer
    x = 596,804.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.