Home / 707,077.80-1,060,616.70-455,135.40

Finding the Fourth Proportional to 707,077.80, 1,060,616.70 and 455,135.40

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Solution

The fourth proportional to 707,077.80, 1,060,616.70 and 455,135.40 is: 682,703.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,077.80 : 1,060,616.70 = 455,135.40 : x
  2. Step 2: Convert to fraction form
    707,077.80/1,060,616.70 = 455,135.40/x
  3. Step 3: Cross multiply
    707,077.80x = 1,060,616.70 × 455,135.40
  4. Step 4: Simplify right side
    707,077.80x = 482,724,206,001.18
  5. Step 5: Solve for x
    x = 482,724,206,001.18/707,077.80
  6. Step 6: Final answer
    x = 682,703.10

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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.