Home / 707,020.20-1,058,780.70-453,911.40

Finding the Fourth Proportional to 707,020.20, 1,058,780.70 and 453,911.40

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Solution

The fourth proportional to 707,020.20, 1,058,780.70 and 453,911.40 is: 679,743.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,020.20 : 1,058,780.70 = 453,911.40 : x
  2. Step 2: Convert to fraction form
    707,020.20/1,058,780.70 = 453,911.40/x
  3. Step 3: Cross multiply
    707,020.20x = 1,058,780.70 × 453,911.40
  4. Step 4: Simplify right side
    707,020.20x = 480,592,629,829.98
  5. Step 5: Solve for x
    x = 480,592,629,829.98/707,020.20
  6. Step 6: Final answer
    x = 679,743.85

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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.