Home / 711,979.36-1,068,128.98-238,652.60

Finding the Fourth Proportional to 711,979.36, 1,068,128.98 and 238,652.60

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Solution

The fourth proportional to 711,979.36, 1,068,128.98 and 238,652.60 is: 358,032.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,979.36 : 1,068,128.98 = 238,652.60 : x
  2. Step 2: Convert to fraction form
    711,979.36/1,068,128.98 = 238,652.60/x
  3. Step 3: Cross multiply
    711,979.36x = 1,068,128.98 × 238,652.60
  4. Step 4: Simplify right side
    711,979.36x = 254,911,758,212.35
  5. Step 5: Solve for x
    x = 254,911,758,212.35/711,979.36
  6. Step 6: Final answer
    x = 358,032.51

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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.