Home / 758,675.14-1,047,118.27-487,086.19

Finding the Fourth Proportional to 758,675.14, 1,047,118.27 and 487,086.19

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Solution

The fourth proportional to 758,675.14, 1,047,118.27 and 487,086.19 is: 672,273.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,675.14 : 1,047,118.27 = 487,086.19 : x
  2. Step 2: Convert to fraction form
    758,675.14/1,047,118.27 = 487,086.19/x
  3. Step 3: Cross multiply
    758,675.14x = 1,047,118.27 × 487,086.19
  4. Step 4: Simplify right side
    758,675.14x = 510,036,848,613.69
  5. Step 5: Solve for x
    x = 510,036,848,613.69/758,675.14
  6. Step 6: Final answer
    x = 672,273.05

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Double scale
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1.5x scale

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.