Home / 722,030.76-1,083,071.25-342,756.12

Finding the Fourth Proportional to 722,030.76, 1,083,071.25 and 342,756.12

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Solution

The fourth proportional to 722,030.76, 1,083,071.25 and 342,756.12 is: 514,146.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,030.76 : 1,083,071.25 = 342,756.12 : x
  2. Step 2: Convert to fraction form
    722,030.76/1,083,071.25 = 342,756.12/x
  3. Step 3: Cross multiply
    722,030.76x = 1,083,071.25 × 342,756.12
  4. Step 4: Simplify right side
    722,030.76x = 371,229,303,395.07
  5. Step 5: Solve for x
    x = 371,229,303,395.07/722,030.76
  6. Step 6: Final answer
    x = 514,146.11

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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.