Home / 727,594.34-1,091,858.46-487,978.76

Finding the Fourth Proportional to 727,594.34, 1,091,858.46 and 487,978.76

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Solution

The fourth proportional to 727,594.34, 1,091,858.46 and 487,978.76 is: 732,281.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,594.34 : 1,091,858.46 = 487,978.76 : x
  2. Step 2: Convert to fraction form
    727,594.34/1,091,858.46 = 487,978.76/x
  3. Step 3: Cross multiply
    727,594.34x = 1,091,858.46 × 487,978.76
  4. Step 4: Simplify right side
    727,594.34x = 532,803,737,406.31
  5. Step 5: Solve for x
    x = 532,803,737,406.31/727,594.34
  6. Step 6: Final answer
    x = 732,281.31

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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.