Home / 887,899.80-1,330,318.80-413,612.40

Finding the Fourth Proportional to 887,899.80, 1,330,318.80 and 413,612.40

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Solution

The fourth proportional to 887,899.80, 1,330,318.80 and 413,612.40 is: 619,705.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,899.80 : 1,330,318.80 = 413,612.40 : x
  2. Step 2: Convert to fraction form
    887,899.80/1,330,318.80 = 413,612.40/x
  3. Step 3: Cross multiply
    887,899.80x = 1,330,318.80 × 413,612.40
  4. Step 4: Simplify right side
    887,899.80x = 550,236,351,633.12
  5. Step 5: Solve for x
    x = 550,236,351,633.12/887,899.80
  6. Step 6: Final answer
    x = 619,705.46

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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.