Home / 525,059.28-788,009.40-272,412.24

Finding the Fourth Proportional to 525,059.28, 788,009.40 and 272,412.24

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Solution

The fourth proportional to 525,059.28, 788,009.40 and 272,412.24 is: 408,836.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,059.28 : 788,009.40 = 272,412.24 : x
  2. Step 2: Convert to fraction form
    525,059.28/788,009.40 = 272,412.24/x
  3. Step 3: Cross multiply
    525,059.28x = 788,009.40 × 272,412.24
  4. Step 4: Simplify right side
    525,059.28x = 214,663,405,795.06
  5. Step 5: Solve for x
    x = 214,663,405,795.06/525,059.28
  6. Step 6: Final answer
    x = 408,836.51

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1.5x scale

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.