Home / 632,182.03-872,410.83-345,702.12

Finding the Fourth Proportional to 632,182.03, 872,410.83 and 345,702.12

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Solution

The fourth proportional to 632,182.03, 872,410.83 and 345,702.12 is: 477,068.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,182.03 : 872,410.83 = 345,702.12 : x
  2. Step 2: Convert to fraction form
    632,182.03/872,410.83 = 345,702.12/x
  3. Step 3: Cross multiply
    632,182.03x = 872,410.83 × 345,702.12
  4. Step 4: Simplify right side
    632,182.03x = 301,594,272,145.58
  5. Step 5: Solve for x
    x = 301,594,272,145.58/632,182.03
  6. Step 6: Final answer
    x = 477,068.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.