Home / 706,431.53-974,845.85-400,528.49

Finding the Fourth Proportional to 706,431.53, 974,845.85 and 400,528.49

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Solution

The fourth proportional to 706,431.53, 974,845.85 and 400,528.49 is: 552,712.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,431.53 : 974,845.85 = 400,528.49 : x
  2. Step 2: Convert to fraction form
    706,431.53/974,845.85 = 400,528.49/x
  3. Step 3: Cross multiply
    706,431.53x = 974,845.85 × 400,528.49
  4. Step 4: Simplify right side
    706,431.53x = 390,453,536,283.27
  5. Step 5: Solve for x
    x = 390,453,536,283.27/706,431.53
  6. Step 6: Final answer
    x = 552,712.50

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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.