Home / 830,821.63-1,246,455.60-262,224.72

Finding the Fourth Proportional to 830,821.63, 1,246,455.60 and 262,224.72

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Solution

The fourth proportional to 830,821.63, 1,246,455.60 and 262,224.72 is: 393,407.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,821.63 : 1,246,455.60 = 262,224.72 : x
  2. Step 2: Convert to fraction form
    830,821.63/1,246,455.60 = 262,224.72/x
  3. Step 3: Cross multiply
    830,821.63x = 1,246,455.60 × 262,224.72
  4. Step 4: Simplify right side
    830,821.63x = 326,851,470,702.43
  5. Step 5: Solve for x
    x = 326,851,470,702.43/830,821.63
  6. Step 6: Final answer
    x = 393,407.51

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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.