Home / 828,328.84-1,142,818.82-675,103.56

Finding the Fourth Proportional to 828,328.84, 1,142,818.82 and 675,103.56

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Solution

The fourth proportional to 828,328.84, 1,142,818.82 and 675,103.56 is: 931,418.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,328.84 : 1,142,818.82 = 675,103.56 : x
  2. Step 2: Convert to fraction form
    828,328.84/1,142,818.82 = 675,103.56/x
  3. Step 3: Cross multiply
    828,328.84x = 1,142,818.82 × 675,103.56
  4. Step 4: Simplify right side
    828,328.84x = 771,521,053,817.00
  5. Step 5: Solve for x
    x = 771,521,053,817.00/828,328.84
  6. Step 6: Final answer
    x = 931,418.80

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Double scale
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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.