Home / 907,530.87-1,252,369.71-499,628.64

Finding the Fourth Proportional to 907,530.87, 1,252,369.71 and 499,628.64

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Solution

The fourth proportional to 907,530.87, 1,252,369.71 and 499,628.64 is: 689,474.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,530.87 : 1,252,369.71 = 499,628.64 : x
  2. Step 2: Convert to fraction form
    907,530.87/1,252,369.71 = 499,628.64/x
  3. Step 3: Cross multiply
    907,530.87x = 1,252,369.71 × 499,628.64
  4. Step 4: Simplify right side
    907,530.87x = 625,719,774,984.49
  5. Step 5: Solve for x
    x = 625,719,774,984.49/907,530.87
  6. Step 6: Final answer
    x = 689,474.92

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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.