Home / 830,374.36-1,146,001.28-508,297.30

Finding the Fourth Proportional to 830,374.36, 1,146,001.28 and 508,297.30

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Solution

The fourth proportional to 830,374.36, 1,146,001.28 and 508,297.30 is: 701,502.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,374.36 : 1,146,001.28 = 508,297.30 : x
  2. Step 2: Convert to fraction form
    830,374.36/1,146,001.28 = 508,297.30/x
  3. Step 3: Cross multiply
    830,374.36x = 1,146,001.28 × 508,297.30
  4. Step 4: Simplify right side
    830,374.36x = 582,509,348,149.05
  5. Step 5: Solve for x
    x = 582,509,348,149.05/830,374.36
  6. Step 6: Final answer
    x = 701,502.09

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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.