Home / 887,042.80-1,330,797.48-460,606.96

Finding the Fourth Proportional to 887,042.80, 1,330,797.48 and 460,606.96

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Solution

The fourth proportional to 887,042.80, 1,330,797.48 and 460,606.96 is: 691,031.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,042.80 : 1,330,797.48 = 460,606.96 : x
  2. Step 2: Convert to fraction form
    887,042.80/1,330,797.48 = 460,606.96/x
  3. Step 3: Cross multiply
    887,042.80x = 1,330,797.48 × 460,606.96
  4. Step 4: Simplify right side
    887,042.80x = 612,974,581,638.46
  5. Step 5: Solve for x
    x = 612,974,581,638.46/887,042.80
  6. Step 6: Final answer
    x = 691,031.57

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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.