Home / 848,812.59-1,272,948.80-280,087.65

Finding the Fourth Proportional to 848,812.59, 1,272,948.80 and 280,087.65

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Solution

The fourth proportional to 848,812.59, 1,272,948.80 and 280,087.65 is: 420,042.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,812.59 : 1,272,948.80 = 280,087.65 : x
  2. Step 2: Convert to fraction form
    848,812.59/1,272,948.80 = 280,087.65/x
  3. Step 3: Cross multiply
    848,812.59x = 1,272,948.80 × 280,087.65
  4. Step 4: Simplify right side
    848,812.59x = 356,537,236,561.88
  5. Step 5: Solve for x
    x = 356,537,236,561.88/848,812.59
  6. Step 6: Final answer
    x = 420,042.35

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1.5x scale

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.