Home / 887,826.30-1,330,208.55-413,538.90

Finding the Fourth Proportional to 887,826.30, 1,330,208.55 and 413,538.90

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Solution

The fourth proportional to 887,826.30, 1,330,208.55 and 413,538.90 is: 619,595.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,826.30 : 1,330,208.55 = 413,538.90 : x
  2. Step 2: Convert to fraction form
    887,826.30/1,330,208.55 = 413,538.90/x
  3. Step 3: Cross multiply
    887,826.30x = 1,330,208.55 × 413,538.90
  4. Step 4: Simplify right side
    887,826.30x = 550,092,980,537.60
  5. Step 5: Solve for x
    x = 550,092,980,537.60/887,826.30
  6. Step 6: Final answer
    x = 619,595.28

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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.