Home / 553,661.20-829,973.40-433,651.60

Finding the Fourth Proportional to 553,661.20, 829,973.40 and 433,651.60

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Solution

The fourth proportional to 553,661.20, 829,973.40 and 433,651.60 is: 650,071.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,661.20 : 829,973.40 = 433,651.60 : x
  2. Step 2: Convert to fraction form
    553,661.20/829,973.40 = 433,651.60/x
  3. Step 3: Cross multiply
    553,661.20x = 829,973.40 × 433,651.60
  4. Step 4: Simplify right side
    553,661.20x = 359,919,292,867.44
  5. Step 5: Solve for x
    x = 359,919,292,867.44/553,661.20
  6. Step 6: Final answer
    x = 650,071.37

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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.