Home / 651,182.80-976,725.60-272,005.60

Finding the Fourth Proportional to 651,182.80, 976,725.60 and 272,005.60

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Solution

The fourth proportional to 651,182.80, 976,725.60 and 272,005.60 is: 407,988.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,182.80 : 976,725.60 = 272,005.60 : x
  2. Step 2: Convert to fraction form
    651,182.80/976,725.60 = 272,005.60/x
  3. Step 3: Cross multiply
    651,182.80x = 976,725.60 × 272,005.60
  4. Step 4: Simplify right side
    651,182.80x = 265,674,832,863.36
  5. Step 5: Solve for x
    x = 265,674,832,863.36/651,182.80
  6. Step 6: Final answer
    x = 407,988.10

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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.