Home / 907,734.55-1,252,624.09-499,758.93

Finding the Fourth Proportional to 907,734.55, 1,252,624.09 and 499,758.93

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Solution

The fourth proportional to 907,734.55, 1,252,624.09 and 499,758.93 is: 689,640.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,734.55 : 1,252,624.09 = 499,758.93 : x
  2. Step 2: Convert to fraction form
    907,734.55/1,252,624.09 = 499,758.93/x
  3. Step 3: Cross multiply
    907,734.55x = 1,252,624.09 × 499,758.93
  4. Step 4: Simplify right side
    907,734.55x = 626,010,074,910.62
  5. Step 5: Solve for x
    x = 626,010,074,910.62/907,734.55
  6. Step 6: Final answer
    x = 689,640.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.