Home / 671,657.20-1,007,485.80-632,258.80

Finding the Fourth Proportional to 671,657.20, 1,007,485.80 and 632,258.80

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Solution

The fourth proportional to 671,657.20, 1,007,485.80 and 632,258.80 is: 948,388.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,657.20 : 1,007,485.80 = 632,258.80 : x
  2. Step 2: Convert to fraction form
    671,657.20/1,007,485.80 = 632,258.80/x
  3. Step 3: Cross multiply
    671,657.20x = 1,007,485.80 × 632,258.80
  4. Step 4: Simplify right side
    671,657.20x = 636,991,762,925.04
  5. Step 5: Solve for x
    x = 636,991,762,925.04/671,657.20
  6. Step 6: Final answer
    x = 948,388.20

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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.