Home / 930,799.20-1,284,533.32-522,973.60

Finding the Fourth Proportional to 930,799.20, 1,284,533.32 and 522,973.60

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Solution

The fourth proportional to 930,799.20, 1,284,533.32 and 522,973.60 is: 721,720.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,799.20 : 1,284,533.32 = 522,973.60 : x
  2. Step 2: Convert to fraction form
    930,799.20/1,284,533.32 = 522,973.60/x
  3. Step 3: Cross multiply
    930,799.20x = 1,284,533.32 × 522,973.60
  4. Step 4: Simplify right side
    930,799.20x = 671,777,014,680.35
  5. Step 5: Solve for x
    x = 671,777,014,680.35/930,799.20
  6. Step 6: Final answer
    x = 721,720.66

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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.