Home / 676,053.75-1,012,622.68-636,306.35

Finding the Fourth Proportional to 676,053.75, 1,012,622.68 and 636,306.35

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Solution

The fourth proportional to 676,053.75, 1,012,622.68 and 636,306.35 is: 953,087.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,053.75 : 1,012,622.68 = 636,306.35 : x
  2. Step 2: Convert to fraction form
    676,053.75/1,012,622.68 = 636,306.35/x
  3. Step 3: Cross multiply
    676,053.75x = 1,012,622.68 × 636,306.35
  4. Step 4: Simplify right side
    676,053.75x = 644,338,237,170.29
  5. Step 5: Solve for x
    x = 644,338,237,170.29/676,053.75
  6. Step 6: Final answer
    x = 953,087.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.