Home / 775,980.95-1,070,946.93-470,048.34

Finding the Fourth Proportional to 775,980.95, 1,070,946.93 and 470,048.34

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Solution

The fourth proportional to 775,980.95, 1,070,946.93 and 470,048.34 is: 648,723.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,980.95 : 1,070,946.93 = 470,048.34 : x
  2. Step 2: Convert to fraction form
    775,980.95/1,070,946.93 = 470,048.34/x
  3. Step 3: Cross multiply
    775,980.95x = 1,070,946.93 × 470,048.34
  4. Step 4: Simplify right side
    775,980.95x = 503,396,832,453.33
  5. Step 5: Solve for x
    x = 503,396,832,453.33/775,980.95
  6. Step 6: Final answer
    x = 648,723.19

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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.