Home / 788,248.08-1,087,783.32-448,716

Finding the Fourth Proportional to 788,248.08, 1,087,783.32 and 448,716

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Solution

The fourth proportional to 788,248.08, 1,087,783.32 and 448,716 is: 619,228.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,248.08 : 1,087,783.32 = 448,716 : x
  2. Step 2: Convert to fraction form
    788,248.08/1,087,783.32 = 448,716/x
  3. Step 3: Cross multiply
    788,248.08x = 1,087,783.32 × 448,716
  4. Step 4: Simplify right side
    788,248.08x = 488,105,780,217.12
  5. Step 5: Solve for x
    x = 488,105,780,217.12/788,248.08
  6. Step 6: Final answer
    x = 619,228.63

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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.