Home / 725,456.84-1,000,819.58-453,051.81

Finding the Fourth Proportional to 725,456.84, 1,000,819.58 and 453,051.81

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Solution

The fourth proportional to 725,456.84, 1,000,819.58 and 453,051.81 is: 625,017.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,456.84 : 1,000,819.58 = 453,051.81 : x
  2. Step 2: Convert to fraction form
    725,456.84/1,000,819.58 = 453,051.81/x
  3. Step 3: Cross multiply
    725,456.84x = 1,000,819.58 × 453,051.81
  4. Step 4: Simplify right side
    725,456.84x = 453,423,119,937.18
  5. Step 5: Solve for x
    x = 453,423,119,937.18/725,456.84
  6. Step 6: Final answer
    x = 625,017.37

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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.