Home / 727,483.77-1,003,927.88-421,737.39

Finding the Fourth Proportional to 727,483.77, 1,003,927.88 and 421,737.39

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Solution

The fourth proportional to 727,483.77, 1,003,927.88 and 421,737.39 is: 581,997.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,483.77 : 1,003,927.88 = 421,737.39 : x
  2. Step 2: Convert to fraction form
    727,483.77/1,003,927.88 = 421,737.39/x
  3. Step 3: Cross multiply
    727,483.77x = 1,003,927.88 × 421,737.39
  4. Step 4: Simplify right side
    727,483.77x = 423,393,921,550.18
  5. Step 5: Solve for x
    x = 423,393,921,550.18/727,483.77
  6. Step 6: Final answer
    x = 581,997.76

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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.