Home / 706,156.08-974,258.20-400,208.44

Finding the Fourth Proportional to 706,156.08, 974,258.20 and 400,208.44

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Solution

The fourth proportional to 706,156.08, 974,258.20 and 400,208.44 is: 552,153.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,156.08 : 974,258.20 = 400,208.44 : x
  2. Step 2: Convert to fraction form
    706,156.08/974,258.20 = 400,208.44/x
  3. Step 3: Cross multiply
    706,156.08x = 974,258.20 × 400,208.44
  4. Step 4: Simplify right side
    706,156.08x = 389,906,354,379.21
  5. Step 5: Solve for x
    x = 389,906,354,379.21/706,156.08
  6. Step 6: Final answer
    x = 552,153.22

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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.