Home / 525,789.32-788,561.10-170,712.20

Finding the Fourth Proportional to 525,789.32, 788,561.10 and 170,712.20

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Solution

The fourth proportional to 525,789.32, 788,561.10 and 170,712.20 is: 256,028.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,789.32 : 788,561.10 = 170,712.20 : x
  2. Step 2: Convert to fraction form
    525,789.32/788,561.10 = 170,712.20/x
  3. Step 3: Cross multiply
    525,789.32x = 788,561.10 × 170,712.20
  4. Step 4: Simplify right side
    525,789.32x = 134,617,000,215.42
  5. Step 5: Solve for x
    x = 134,617,000,215.42/525,789.32
  6. Step 6: Final answer
    x = 256,028.40

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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.