Home / 905,356.64-1,248,838.56-537,584.48

Finding the Fourth Proportional to 905,356.64, 1,248,838.56 and 537,584.48

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Solution

The fourth proportional to 905,356.64, 1,248,838.56 and 537,584.48 is: 741,537.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,356.64 : 1,248,838.56 = 537,584.48 : x
  2. Step 2: Convert to fraction form
    905,356.64/1,248,838.56 = 537,584.48/x
  3. Step 3: Cross multiply
    905,356.64x = 1,248,838.56 × 537,584.48
  4. Step 4: Simplify right side
    905,356.64x = 671,356,227,881.55
  5. Step 5: Solve for x
    x = 671,356,227,881.55/905,356.64
  6. Step 6: Final answer
    x = 741,537.86

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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.