Home / 707,382.04-1,060,875.40-280,725.88

Finding the Fourth Proportional to 707,382.04, 1,060,875.40 and 280,725.88

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Solution

The fourth proportional to 707,382.04, 1,060,875.40 and 280,725.88 is: 421,010.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,382.04 : 1,060,875.40 = 280,725.88 : x
  2. Step 2: Convert to fraction form
    707,382.04/1,060,875.40 = 280,725.88/x
  3. Step 3: Cross multiply
    707,382.04x = 1,060,875.40 × 280,725.88
  4. Step 4: Simplify right side
    707,382.04x = 297,815,180,235.35
  5. Step 5: Solve for x
    x = 297,815,180,235.35/707,382.04
  6. Step 6: Final answer
    x = 421,010.38

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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.