Home / 830,335.30-1,245,794.55-357,165.70

Finding the Fourth Proportional to 830,335.30, 1,245,794.55 and 357,165.70

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Solution

The fourth proportional to 830,335.30, 1,245,794.55 and 357,165.70 is: 535,873.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,335.30 : 1,245,794.55 = 357,165.70 : x
  2. Step 2: Convert to fraction form
    830,335.30/1,245,794.55 = 357,165.70/x
  3. Step 3: Cross multiply
    830,335.30x = 1,245,794.55 × 357,165.70
  4. Step 4: Simplify right side
    830,335.30x = 444,955,082,506.94
  5. Step 5: Solve for x
    x = 444,955,082,506.94/830,335.30
  6. Step 6: Final answer
    x = 535,873.98

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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.