Home / 852,478.10-1,279,408.35-824,830.10

Finding the Fourth Proportional to 852,478.10, 1,279,408.35 and 824,830.10

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Solution

The fourth proportional to 852,478.10, 1,279,408.35 and 824,830.10 is: 1,237,913.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,478.10 : 1,279,408.35 = 824,830.10 : x
  2. Step 2: Convert to fraction form
    852,478.10/1,279,408.35 = 824,830.10/x
  3. Step 3: Cross multiply
    852,478.10x = 1,279,408.35 × 824,830.10
  4. Step 4: Simplify right side
    852,478.10x = 1,055,294,517,271.34
  5. Step 5: Solve for x
    x = 1,055,294,517,271.34/852,478.10
  6. Step 6: Final answer
    x = 1,237,913.93

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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.