Home / 725,354.48-1,000,969.20-403,056.32

Finding the Fourth Proportional to 725,354.48, 1,000,969.20 and 403,056.32

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Solution

The fourth proportional to 725,354.48, 1,000,969.20 and 403,056.32 is: 556,206.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,354.48 : 1,000,969.20 = 403,056.32 : x
  2. Step 2: Convert to fraction form
    725,354.48/1,000,969.20 = 403,056.32/x
  3. Step 3: Cross multiply
    725,354.48x = 1,000,969.20 × 403,056.32
  4. Step 4: Simplify right side
    725,354.48x = 403,446,962,185.34
  5. Step 5: Solve for x
    x = 403,446,962,185.34/725,354.48
  6. Step 6: Final answer
    x = 556,206.62

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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.