Home / 939,874.02-1,296,991.36-510,145

Finding the Fourth Proportional to 939,874.02, 1,296,991.36 and 510,145

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Solution

The fourth proportional to 939,874.02, 1,296,991.36 and 510,145 is: 703,981.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,874.02 : 1,296,991.36 = 510,145 : x
  2. Step 2: Convert to fraction form
    939,874.02/1,296,991.36 = 510,145/x
  3. Step 3: Cross multiply
    939,874.02x = 1,296,991.36 × 510,145
  4. Step 4: Simplify right side
    939,874.02x = 661,653,657,347.20
  5. Step 5: Solve for x
    x = 661,653,657,347.20/939,874.02
  6. Step 6: Final answer
    x = 703,981.22

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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.