Home / 985,878.70-1,360,575.61-556,001.98

Finding the Fourth Proportional to 985,878.70, 1,360,575.61 and 556,001.98

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Solution

The fourth proportional to 985,878.70, 1,360,575.61 and 556,001.98 is: 767,318.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,878.70 : 1,360,575.61 = 556,001.98 : x
  2. Step 2: Convert to fraction form
    985,878.70/1,360,575.61 = 556,001.98/x
  3. Step 3: Cross multiply
    985,878.70x = 1,360,575.61 × 556,001.98
  4. Step 4: Simplify right side
    985,878.70x = 756,482,737,891.15
  5. Step 5: Solve for x
    x = 756,482,737,891.15/985,878.70
  6. Step 6: Final answer
    x = 767,318.27

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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.