Home / 830,620.76-1,246,220.10-262,089.56

Finding the Fourth Proportional to 830,620.76, 1,246,220.10 and 262,089.56

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Solution

The fourth proportional to 830,620.76, 1,246,220.10 and 262,089.56 is: 393,225.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,620.76 : 1,246,220.10 = 262,089.56 : x
  2. Step 2: Convert to fraction form
    830,620.76/1,246,220.10 = 262,089.56/x
  3. Step 3: Cross multiply
    830,620.76x = 1,246,220.10 × 262,089.56
  4. Step 4: Simplify right side
    830,620.76x = 326,621,277,672.16
  5. Step 5: Solve for x
    x = 326,621,277,672.16/830,620.76
  6. Step 6: Final answer
    x = 393,225.52

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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.