Home / 653,206.08-979,870.74-253,877.43

Finding the Fourth Proportional to 653,206.08, 979,870.74 and 253,877.43

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Solution

The fourth proportional to 653,206.08, 979,870.74 and 253,877.43 is: 380,840.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,206.08 : 979,870.74 = 253,877.43 : x
  2. Step 2: Convert to fraction form
    653,206.08/979,870.74 = 253,877.43/x
  3. Step 3: Cross multiply
    653,206.08x = 979,870.74 × 253,877.43
  4. Step 4: Simplify right side
    653,206.08x = 248,767,065,203.40
  5. Step 5: Solve for x
    x = 248,767,065,203.40/653,206.08
  6. Step 6: Final answer
    x = 380,840.09

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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.