Home / 725,457.27-1,000,820.49-453,052.25

Finding the Fourth Proportional to 725,457.27, 1,000,820.49 and 453,052.25

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Solution

The fourth proportional to 725,457.27, 1,000,820.49 and 453,052.25 is: 625,018.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,457.27 : 1,000,820.49 = 453,052.25 : x
  2. Step 2: Convert to fraction form
    725,457.27/1,000,820.49 = 453,052.25/x
  3. Step 3: Cross multiply
    725,457.27x = 1,000,820.49 × 453,052.25
  4. Step 4: Simplify right side
    725,457.27x = 453,423,971,890.63
  5. Step 5: Solve for x
    x = 453,423,971,890.63/725,457.27
  6. Step 6: Final answer
    x = 625,018.16

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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.