Home / 947,795.45-1,307,957.63-518,077.28

Finding the Fourth Proportional to 947,795.45, 1,307,957.63 and 518,077.28

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Solution

The fourth proportional to 947,795.45, 1,307,957.63 and 518,077.28 is: 714,946.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,795.45 : 1,307,957.63 = 518,077.28 : x
  2. Step 2: Convert to fraction form
    947,795.45/1,307,957.63 = 518,077.28/x
  3. Step 3: Cross multiply
    947,795.45x = 1,307,957.63 × 518,077.28
  4. Step 4: Simplify right side
    947,795.45x = 677,623,131,985.15
  5. Step 5: Solve for x
    x = 677,623,131,985.15/947,795.45
  6. Step 6: Final answer
    x = 714,946.60

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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.