Home / 830,815.40-1,248,824.73-548,321.52

Finding the Fourth Proportional to 830,815.40, 1,248,824.73 and 548,321.52

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Solution

The fourth proportional to 830,815.40, 1,248,824.73 and 548,321.52 is: 824,199.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,815.40 : 1,248,824.73 = 548,321.52 : x
  2. Step 2: Convert to fraction form
    830,815.40/1,248,824.73 = 548,321.52/x
  3. Step 3: Cross multiply
    830,815.40x = 1,248,824.73 × 548,321.52
  4. Step 4: Simplify right side
    830,815.40x = 684,757,474,167.19
  5. Step 5: Solve for x
    x = 684,757,474,167.19/830,815.40
  6. Step 6: Final answer
    x = 824,199.30

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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.