Home / 815,804.46-1,223,580.33-416,740.14

Finding the Fourth Proportional to 815,804.46, 1,223,580.33 and 416,740.14

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Solution

The fourth proportional to 815,804.46, 1,223,580.33 and 416,740.14 is: 625,045.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,804.46 : 1,223,580.33 = 416,740.14 : x
  2. Step 2: Convert to fraction form
    815,804.46/1,223,580.33 = 416,740.14/x
  3. Step 3: Cross multiply
    815,804.46x = 1,223,580.33 × 416,740.14
  4. Step 4: Simplify right side
    815,804.46x = 509,915,038,025.45
  5. Step 5: Solve for x
    x = 509,915,038,025.45/815,804.46
  6. Step 6: Final answer
    x = 625,045.66

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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.