Home / 939,866.58-1,296,980.96-510,137.46

Finding the Fourth Proportional to 939,866.58, 1,296,980.96 and 510,137.46

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Solution

The fourth proportional to 939,866.58, 1,296,980.96 and 510,137.46 is: 703,970.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,866.58 : 1,296,980.96 = 510,137.46 : x
  2. Step 2: Convert to fraction form
    939,866.58/1,296,980.96 = 510,137.46/x
  3. Step 3: Cross multiply
    939,866.58x = 1,296,980.96 × 510,137.46
  4. Step 4: Simplify right side
    939,866.58x = 661,638,572,602.76
  5. Step 5: Solve for x
    x = 661,638,572,602.76/939,866.58
  6. Step 6: Final answer
    x = 703,970.74

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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.