Home / 830,925.12-1,246,555.36-262,395.04

Finding the Fourth Proportional to 830,925.12, 1,246,555.36 and 262,395.04

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Solution

The fourth proportional to 830,925.12, 1,246,555.36 and 262,395.04 is: 393,645.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,925.12 : 1,246,555.36 = 262,395.04 : x
  2. Step 2: Convert to fraction form
    830,925.12/1,246,555.36 = 262,395.04/x
  3. Step 3: Cross multiply
    830,925.12x = 1,246,555.36 × 262,395.04
  4. Step 4: Simplify right side
    830,925.12x = 327,089,943,549.41
  5. Step 5: Solve for x
    x = 327,089,943,549.41/830,925.12
  6. Step 6: Final answer
    x = 393,645.51

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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.