Home / 762,662.12-1,052,966.75-472,581.51

Finding the Fourth Proportional to 762,662.12, 1,052,966.75 and 472,581.51

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Solution

The fourth proportional to 762,662.12, 1,052,966.75 and 472,581.51 is: 652,467.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,662.12 : 1,052,966.75 = 472,581.51 : x
  2. Step 2: Convert to fraction form
    762,662.12/1,052,966.75 = 472,581.51/x
  3. Step 3: Cross multiply
    762,662.12x = 1,052,966.75 × 472,581.51
  4. Step 4: Simplify right side
    762,662.12x = 497,612,617,876.25
  5. Step 5: Solve for x
    x = 497,612,617,876.25/762,662.12
  6. Step 6: Final answer
    x = 652,467.99

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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.