Home / 907,322.81-1,252,057.74-499,346.66

Finding the Fourth Proportional to 907,322.81, 1,252,057.74 and 499,346.66

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Solution

The fourth proportional to 907,322.81, 1,252,057.74 and 499,346.66 is: 689,072.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,322.81 : 1,252,057.74 = 499,346.66 : x
  2. Step 2: Convert to fraction form
    907,322.81/1,252,057.74 = 499,346.66/x
  3. Step 3: Cross multiply
    907,322.81x = 1,252,057.74 × 499,346.66
  4. Step 4: Simplify right side
    907,322.81x = 625,210,850,596.15
  5. Step 5: Solve for x
    x = 625,210,850,596.15/907,322.81
  6. Step 6: Final answer
    x = 689,072.12

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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.