Home / 725,457.84-1,000,820.95-453,052.81

Finding the Fourth Proportional to 725,457.84, 1,000,820.95 and 453,052.81

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Solution

The fourth proportional to 725,457.84, 1,000,820.95 and 453,052.81 is: 625,018.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,457.84 : 1,000,820.95 = 453,052.81 : x
  2. Step 2: Convert to fraction form
    725,457.84/1,000,820.95 = 453,052.81/x
  3. Step 3: Cross multiply
    725,457.84x = 1,000,820.95 × 453,052.81
  4. Step 4: Simplify right side
    725,457.84x = 453,424,743,704.37
  5. Step 5: Solve for x
    x = 453,424,743,704.37/725,457.84
  6. Step 6: Final answer
    x = 625,018.74

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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.