Home / 879,562.29-1,213,693.56-492,398.91

Finding the Fourth Proportional to 879,562.29, 1,213,693.56 and 492,398.91

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Solution

The fourth proportional to 879,562.29, 1,213,693.56 and 492,398.91 is: 679,453.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,562.29 : 1,213,693.56 = 492,398.91 : x
  2. Step 2: Convert to fraction form
    879,562.29/1,213,693.56 = 492,398.91/x
  3. Step 3: Cross multiply
    879,562.29x = 1,213,693.56 × 492,398.91
  4. Step 4: Simplify right side
    879,562.29x = 597,621,386,018.02
  5. Step 5: Solve for x
    x = 597,621,386,018.02/879,562.29
  6. Step 6: Final answer
    x = 679,453.17

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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.