Home / 750,455.39-1,035,628.87-406,291.41

Finding the Fourth Proportional to 750,455.39, 1,035,628.87 and 406,291.41

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Solution

The fourth proportional to 750,455.39, 1,035,628.87 and 406,291.41 is: 560,682.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,455.39 : 1,035,628.87 = 406,291.41 : x
  2. Step 2: Convert to fraction form
    750,455.39/1,035,628.87 = 406,291.41/x
  3. Step 3: Cross multiply
    750,455.39x = 1,035,628.87 × 406,291.41
  4. Step 4: Simplify right side
    750,455.39x = 420,767,113,829.01
  5. Step 5: Solve for x
    x = 420,767,113,829.01/750,455.39
  6. Step 6: Final answer
    x = 560,682.38

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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.