Home / 526,900.10-788,017.35-442,919.30

Finding the Fourth Proportional to 526,900.10, 788,017.35 and 442,919.30

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Solution

The fourth proportional to 526,900.10, 788,017.35 and 442,919.30 is: 662,417.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,900.10 : 788,017.35 = 442,919.30 : x
  2. Step 2: Convert to fraction form
    526,900.10/788,017.35 = 442,919.30/x
  3. Step 3: Cross multiply
    526,900.10x = 788,017.35 × 442,919.30
  4. Step 4: Simplify right side
    526,900.10x = 349,028,093,049.86
  5. Step 5: Solve for x
    x = 349,028,093,049.86/526,900.10
  6. Step 6: Final answer
    x = 662,417.97

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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.