Home / 874,980.09-1,312,272.95-314,014.59

Finding the Fourth Proportional to 874,980.09, 1,312,272.95 and 314,014.59

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Solution

The fourth proportional to 874,980.09, 1,312,272.95 and 314,014.59 is: 470,951.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,980.09 : 1,312,272.95 = 314,014.59 : x
  2. Step 2: Convert to fraction form
    874,980.09/1,312,272.95 = 314,014.59/x
  3. Step 3: Cross multiply
    874,980.09x = 1,312,272.95 × 314,014.59
  4. Step 4: Simplify right side
    874,980.09x = 412,072,850,792.27
  5. Step 5: Solve for x
    x = 412,072,850,792.27/874,980.09
  6. Step 6: Final answer
    x = 470,951.12

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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.