Home / 453,883.20-680,970.60-304,292.40

Finding the Fourth Proportional to 453,883.20, 680,970.60 and 304,292.40

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Solution

The fourth proportional to 453,883.20, 680,970.60 and 304,292.40 is: 456,536.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,883.20 : 680,970.60 = 304,292.40 : x
  2. Step 2: Convert to fraction form
    453,883.20/680,970.60 = 304,292.40/x
  3. Step 3: Cross multiply
    453,883.20x = 680,970.60 × 304,292.40
  4. Step 4: Simplify right side
    453,883.20x = 207,214,178,203.44
  5. Step 5: Solve for x
    x = 207,214,178,203.44/453,883.20
  6. Step 6: Final answer
    x = 456,536.35

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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.