Home / 452,852.20-679,278.30-403,863.40

Finding the Fourth Proportional to 452,852.20, 679,278.30 and 403,863.40

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Solution

The fourth proportional to 452,852.20, 679,278.30 and 403,863.40 is: 605,795.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,852.20 : 679,278.30 = 403,863.40 : x
  2. Step 2: Convert to fraction form
    452,852.20/679,278.30 = 403,863.40/x
  3. Step 3: Cross multiply
    452,852.20x = 679,278.30 × 403,863.40
  4. Step 4: Simplify right side
    452,852.20x = 274,335,643,784.22
  5. Step 5: Solve for x
    x = 274,335,643,784.22/452,852.20
  6. Step 6: Final answer
    x = 605,795.10

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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.