Home / 830,814.90-1,248,823.98-548,321.02

Finding the Fourth Proportional to 830,814.90, 1,248,823.98 and 548,321.02

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Solution

The fourth proportional to 830,814.90, 1,248,823.98 and 548,321.02 is: 824,198.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,814.90 : 1,248,823.98 = 548,321.02 : x
  2. Step 2: Convert to fraction form
    830,814.90/1,248,823.98 = 548,321.02/x
  3. Step 3: Cross multiply
    830,814.90x = 1,248,823.98 × 548,321.02
  4. Step 4: Simplify right side
    830,814.90x = 684,756,438,514.06
  5. Step 5: Solve for x
    x = 684,756,438,514.06/830,814.90
  6. Step 6: Final answer
    x = 824,198.55

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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.