Home / 754,838.88-1,041,662.76-415,312.80

Finding the Fourth Proportional to 754,838.88, 1,041,662.76 and 415,312.80

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Solution

The fourth proportional to 754,838.88, 1,041,662.76 and 415,312.80 is: 573,123.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,838.88 : 1,041,662.76 = 415,312.80 : x
  2. Step 2: Convert to fraction form
    754,838.88/1,041,662.76 = 415,312.80/x
  3. Step 3: Cross multiply
    754,838.88x = 1,041,662.76 × 415,312.80
  4. Step 4: Simplify right side
    754,838.88x = 432,615,877,511.33
  5. Step 5: Solve for x
    x = 432,615,877,511.33/754,838.88
  6. Step 6: Final answer
    x = 573,123.47

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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.