Home / 829,078.10-1,240,664.70-575,167.40

Finding the Fourth Proportional to 829,078.10, 1,240,664.70 and 575,167.40

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Solution

The fourth proportional to 829,078.10, 1,240,664.70 and 575,167.40 is: 860,702.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,078.10 : 1,240,664.70 = 575,167.40 : x
  2. Step 2: Convert to fraction form
    829,078.10/1,240,664.70 = 575,167.40/x
  3. Step 3: Cross multiply
    829,078.10x = 1,240,664.70 × 575,167.40
  4. Step 4: Simplify right side
    829,078.10x = 713,589,889,770.78
  5. Step 5: Solve for x
    x = 713,589,889,770.78/829,078.10
  6. Step 6: Final answer
    x = 860,702.86

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1.5x scale

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.