Home / 907,303.70-1,252,069.17-499,396.82

Finding the Fourth Proportional to 907,303.70, 1,252,069.17 and 499,396.82

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Solution

The fourth proportional to 907,303.70, 1,252,069.17 and 499,396.82 is: 689,162.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,303.70 : 1,252,069.17 = 499,396.82 : x
  2. Step 2: Convert to fraction form
    907,303.70/1,252,069.17 = 499,396.82/x
  3. Step 3: Cross multiply
    907,303.70x = 1,252,069.17 × 499,396.82
  4. Step 4: Simplify right side
    907,303.70x = 625,279,361,918.04
  5. Step 5: Solve for x
    x = 625,279,361,918.04/907,303.70
  6. Step 6: Final answer
    x = 689,162.14

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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.