Home / 880,829.40-1,321,244.10-526,535.40

Finding the Fourth Proportional to 880,829.40, 1,321,244.10 and 526,535.40

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Solution

The fourth proportional to 880,829.40, 1,321,244.10 and 526,535.40 is: 789,803.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,829.40 : 1,321,244.10 = 526,535.40 : x
  2. Step 2: Convert to fraction form
    880,829.40/1,321,244.10 = 526,535.40/x
  3. Step 3: Cross multiply
    880,829.40x = 1,321,244.10 × 526,535.40
  4. Step 4: Simplify right side
    880,829.40x = 695,681,790,691.14
  5. Step 5: Solve for x
    x = 695,681,790,691.14/880,829.40
  6. Step 6: Final answer
    x = 789,803.10

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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.