Home / 706,431.41-974,845.67-400,528.37

Finding the Fourth Proportional to 706,431.41, 974,845.67 and 400,528.37

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Solution

The fourth proportional to 706,431.41, 974,845.67 and 400,528.37 is: 552,712.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,431.41 : 974,845.67 = 400,528.37 : x
  2. Step 2: Convert to fraction form
    706,431.41/974,845.67 = 400,528.37/x
  3. Step 3: Cross multiply
    706,431.41x = 974,845.67 × 400,528.37
  4. Step 4: Simplify right side
    706,431.41x = 390,453,350,645.09
  5. Step 5: Solve for x
    x = 390,453,350,645.09/706,431.41
  6. Step 6: Final answer
    x = 552,712.33

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1.5x scale

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.