Home / 526,030.80-788,754.60-210,130.80

Finding the Fourth Proportional to 526,030.80, 788,754.60 and 210,130.80

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Solution

The fourth proportional to 526,030.80, 788,754.60 and 210,130.80 is: 315,079.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,030.80 : 788,754.60 = 210,130.80 : x
  2. Step 2: Convert to fraction form
    526,030.80/788,754.60 = 210,130.80/x
  3. Step 3: Cross multiply
    526,030.80x = 788,754.60 × 210,130.80
  4. Step 4: Simplify right side
    526,030.80x = 165,741,635,101.68
  5. Step 5: Solve for x
    x = 165,741,635,101.68/526,030.80
  6. Step 6: Final answer
    x = 315,079.72

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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.