Home / 907,670.37-1,252,574.76-499,763.70

Finding the Fourth Proportional to 907,670.37, 1,252,574.76 and 499,763.70

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Solution

The fourth proportional to 907,670.37, 1,252,574.76 and 499,763.70 is: 689,668.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,670.37 : 1,252,574.76 = 499,763.70 : x
  2. Step 2: Convert to fraction form
    907,670.37/1,252,574.76 = 499,763.70/x
  3. Step 3: Cross multiply
    907,670.37x = 1,252,574.76 × 499,763.70
  4. Step 4: Simplify right side
    907,670.37x = 625,991,396,584.21
  5. Step 5: Solve for x
    x = 625,991,396,584.21/907,670.37
  6. Step 6: Final answer
    x = 689,668.21

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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.