Home / 453,881.20-680,967.60-304,290.40

Finding the Fourth Proportional to 453,881.20, 680,967.60 and 304,290.40

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Solution

The fourth proportional to 453,881.20, 680,967.60 and 304,290.40 is: 456,533.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,881.20 : 680,967.60 = 304,290.40 : x
  2. Step 2: Convert to fraction form
    453,881.20/680,967.60 = 304,290.40/x
  3. Step 3: Cross multiply
    453,881.20x = 680,967.60 × 304,290.40
  4. Step 4: Simplify right side
    453,881.20x = 207,211,903,391.04
  5. Step 5: Solve for x
    x = 207,211,903,391.04/453,881.20
  6. Step 6: Final answer
    x = 456,533.35

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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.