Home / 830,728.73-1,248,694.25-548,234.62

Finding the Fourth Proportional to 830,728.73, 1,248,694.25 and 548,234.62

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Solution

The fourth proportional to 830,728.73, 1,248,694.25 and 548,234.62 is: 824,068.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,728.73 : 1,248,694.25 = 548,234.62 : x
  2. Step 2: Convert to fraction form
    830,728.73/1,248,694.25 = 548,234.62/x
  3. Step 3: Cross multiply
    830,728.73x = 1,248,694.25 × 548,234.62
  4. Step 4: Simplify right side
    830,728.73x = 684,577,411,782.03
  5. Step 5: Solve for x
    x = 684,577,411,782.03/830,728.73
  6. Step 6: Final answer
    x = 824,068.54

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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.