Home / 874,923.90-1,207,394.73-472,515.90

Finding the Fourth Proportional to 874,923.90, 1,207,394.73 and 472,515.90

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Solution

The fourth proportional to 874,923.90, 1,207,394.73 and 472,515.90 is: 652,071.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,923.90 : 1,207,394.73 = 472,515.90 : x
  2. Step 2: Convert to fraction form
    874,923.90/1,207,394.73 = 472,515.90/x
  3. Step 3: Cross multiply
    874,923.90x = 1,207,394.73 × 472,515.90
  4. Step 4: Simplify right side
    874,923.90x = 570,513,207,501.21
  5. Step 5: Solve for x
    x = 570,513,207,501.21/874,923.90
  6. Step 6: Final answer
    x = 652,071.81

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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.