Home / 830,465.20-1,243,624.20-548,455.60

Finding the Fourth Proportional to 830,465.20, 1,243,624.20 and 548,455.60

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Solution

The fourth proportional to 830,465.20, 1,243,624.20 and 548,455.60 is: 821,313.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,465.20 : 1,243,624.20 = 548,455.60 : x
  2. Step 2: Convert to fraction form
    830,465.20/1,243,624.20 = 548,455.60/x
  3. Step 3: Cross multiply
    830,465.20x = 1,243,624.20 × 548,455.60
  4. Step 4: Simplify right side
    830,465.20x = 682,072,656,785.52
  5. Step 5: Solve for x
    x = 682,072,656,785.52/830,465.20
  6. Step 6: Final answer
    x = 821,313.95

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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.