Home / 939,835.71-1,296,938.50-510,106.63

Finding the Fourth Proportional to 939,835.71, 1,296,938.50 and 510,106.63

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Solution

The fourth proportional to 939,835.71, 1,296,938.50 and 510,106.63 is: 703,928.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,835.71 : 1,296,938.50 = 510,106.63 : x
  2. Step 2: Convert to fraction form
    939,835.71/1,296,938.50 = 510,106.63/x
  3. Step 3: Cross multiply
    939,835.71x = 1,296,938.50 × 510,106.63
  4. Step 4: Simplify right side
    939,835.71x = 661,576,927,552.26
  5. Step 5: Solve for x
    x = 661,576,927,552.26/939,835.71
  6. Step 6: Final answer
    x = 703,928.27

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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.