Home / 988,514.04-1,482,239.70-314,412.60

Finding the Fourth Proportional to 988,514.04, 1,482,239.70 and 314,412.60

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Solution

The fourth proportional to 988,514.04, 1,482,239.70 and 314,412.60 is: 471,449.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,514.04 : 1,482,239.70 = 314,412.60 : x
  2. Step 2: Convert to fraction form
    988,514.04/1,482,239.70 = 314,412.60/x
  3. Step 3: Cross multiply
    988,514.04x = 1,482,239.70 × 314,412.60
  4. Step 4: Simplify right side
    988,514.04x = 466,034,837,900.22
  5. Step 5: Solve for x
    x = 466,034,837,900.22/988,514.04
  6. Step 6: Final answer
    x = 471,449.89

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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.