Home / 788,352.89-1,087,928.04-448,821.14

Finding the Fourth Proportional to 788,352.89, 1,087,928.04 and 448,821.14

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Solution

The fourth proportional to 788,352.89, 1,087,928.04 and 448,821.14 is: 619,373.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,352.89 : 1,087,928.04 = 448,821.14 : x
  2. Step 2: Convert to fraction form
    788,352.89/1,087,928.04 = 448,821.14/x
  3. Step 3: Cross multiply
    788,352.89x = 1,087,928.04 × 448,821.14
  4. Step 4: Simplify right side
    788,352.89x = 488,285,103,150.77
  5. Step 5: Solve for x
    x = 488,285,103,150.77/788,352.89
  6. Step 6: Final answer
    x = 619,373.77

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1.5x scale

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.