Home / 917,733.41-1,376,627.24-438,011.75

Finding the Fourth Proportional to 917,733.41, 1,376,627.24 and 438,011.75

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Solution

The fourth proportional to 917,733.41, 1,376,627.24 and 438,011.75 is: 657,030.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,733.41 : 1,376,627.24 = 438,011.75 : x
  2. Step 2: Convert to fraction form
    917,733.41/1,376,627.24 = 438,011.75/x
  3. Step 3: Cross multiply
    917,733.41x = 1,376,627.24 × 438,011.75
  4. Step 4: Simplify right side
    917,733.41x = 602,978,899,606.93
  5. Step 5: Solve for x
    x = 602,978,899,606.93/917,733.41
  6. Step 6: Final answer
    x = 657,030.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.