Home / 907,669.64-1,252,573.74-499,762.92

Finding the Fourth Proportional to 907,669.64, 1,252,573.74 and 499,762.92

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Solution

The fourth proportional to 907,669.64, 1,252,573.74 and 499,762.92 is: 689,667.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,669.64 : 1,252,573.74 = 499,762.92 : x
  2. Step 2: Convert to fraction form
    907,669.64/1,252,573.74 = 499,762.92/x
  3. Step 3: Cross multiply
    907,669.64x = 1,252,573.74 × 499,762.92
  4. Step 4: Simplify right side
    907,669.64x = 625,989,909,817.72
  5. Step 5: Solve for x
    x = 625,989,909,817.72/907,669.64
  6. Step 6: Final answer
    x = 689,667.12

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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.