Home / 970,466.40-1,455,969.63-423,406.64

Finding the Fourth Proportional to 970,466.40, 1,455,969.63 and 423,406.64

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Solution

The fourth proportional to 970,466.40, 1,455,969.63 and 423,406.64 is: 635,227.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,466.40 : 1,455,969.63 = 423,406.64 : x
  2. Step 2: Convert to fraction form
    970,466.40/1,455,969.63 = 423,406.64/x
  3. Step 3: Cross multiply
    970,466.40x = 1,455,969.63 × 423,406.64
  4. Step 4: Simplify right side
    970,466.40x = 616,467,214,208.04
  5. Step 5: Solve for x
    x = 616,467,214,208.04/970,466.40
  6. Step 6: Final answer
    x = 635,227.78

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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.