Home / 947,328.89-1,307,323.07-517,608.98

Finding the Fourth Proportional to 947,328.89, 1,307,323.07 and 517,608.98

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Solution

The fourth proportional to 947,328.89, 1,307,323.07 and 517,608.98 is: 714,305.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,328.89 : 1,307,323.07 = 517,608.98 : x
  2. Step 2: Convert to fraction form
    947,328.89/1,307,323.07 = 517,608.98/x
  3. Step 3: Cross multiply
    947,328.89x = 1,307,323.07 × 517,608.98
  4. Step 4: Simplify right side
    947,328.89x = 676,682,164,409.92
  5. Step 5: Solve for x
    x = 676,682,164,409.92/947,328.89
  6. Step 6: Final answer
    x = 714,305.42

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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.