Home / 877,234.20-1,314,830.70-403,967.40

Finding the Fourth Proportional to 877,234.20, 1,314,830.70 and 403,967.40

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Solution

The fourth proportional to 877,234.20, 1,314,830.70 and 403,967.40 is: 605,481.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,234.20 : 1,314,830.70 = 403,967.40 : x
  2. Step 2: Convert to fraction form
    877,234.20/1,314,830.70 = 403,967.40/x
  3. Step 3: Cross multiply
    877,234.20x = 1,314,830.70 × 403,967.40
  4. Step 4: Simplify right side
    877,234.20x = 531,148,739,319.18
  5. Step 5: Solve for x
    x = 531,148,739,319.18/877,234.20
  6. Step 6: Final answer
    x = 605,481.11

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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.