Home / 788,313.25-1,087,873.50-448,781.50

Finding the Fourth Proportional to 788,313.25, 1,087,873.50 and 448,781.50

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Solution

The fourth proportional to 788,313.25, 1,087,873.50 and 448,781.50 is: 619,319.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,313.25 : 1,087,873.50 = 448,781.50 : x
  2. Step 2: Convert to fraction form
    788,313.25/1,087,873.50 = 448,781.50/x
  3. Step 3: Cross multiply
    788,313.25x = 1,087,873.50 × 448,781.50
  4. Step 4: Simplify right side
    788,313.25x = 488,217,501,140.25
  5. Step 5: Solve for x
    x = 488,217,501,140.25/788,313.25
  6. Step 6: Final answer
    x = 619,319.16

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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.