Home / 551,941.09-761,685.93-310,209.55

Finding the Fourth Proportional to 551,941.09, 761,685.93 and 310,209.55

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Solution

The fourth proportional to 551,941.09, 761,685.93 and 310,209.55 is: 428,093.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,941.09 : 761,685.93 = 310,209.55 : x
  2. Step 2: Convert to fraction form
    551,941.09/761,685.93 = 310,209.55/x
  3. Step 3: Cross multiply
    551,941.09x = 761,685.93 × 310,209.55
  4. Step 4: Simplify right side
    551,941.09x = 236,282,247,682.42
  5. Step 5: Solve for x
    x = 236,282,247,682.42/551,941.09
  6. Step 6: Final answer
    x = 428,093.24

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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.