Home / 489,901.83-734,852.79-152,971.34

Finding the Fourth Proportional to 489,901.83, 734,852.79 and 152,971.34

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Solution

The fourth proportional to 489,901.83, 734,852.79 and 152,971.34 is: 229,457.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,901.83 : 734,852.79 = 152,971.34 : x
  2. Step 2: Convert to fraction form
    489,901.83/734,852.79 = 152,971.34/x
  3. Step 3: Cross multiply
    489,901.83x = 734,852.79 × 152,971.34
  4. Step 4: Simplify right side
    489,901.83x = 112,411,415,989.04
  5. Step 5: Solve for x
    x = 112,411,415,989.04/489,901.83
  6. Step 6: Final answer
    x = 229,457.02

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Similar ratio
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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.