Home / 672,021.65-1,008,032.48-459,132.05

Finding the Fourth Proportional to 672,021.65, 1,008,032.48 and 459,132.05

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Solution

The fourth proportional to 672,021.65, 1,008,032.48 and 459,132.05 is: 688,698.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,021.65 : 1,008,032.48 = 459,132.05 : x
  2. Step 2: Convert to fraction form
    672,021.65/1,008,032.48 = 459,132.05/x
  3. Step 3: Cross multiply
    672,021.65x = 1,008,032.48 × 459,132.05
  4. Step 4: Simplify right side
    672,021.65x = 462,820,016,713.32
  5. Step 5: Solve for x
    x = 462,820,016,713.32/672,021.65
  6. Step 6: Final answer
    x = 688,698.08

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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.