Home / 436,204.95-602,421.77-388,655.03

Finding the Fourth Proportional to 436,204.95, 602,421.77 and 388,655.03

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Solution

The fourth proportional to 436,204.95, 602,421.77 and 388,655.03 is: 536,752.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,204.95 : 602,421.77 = 388,655.03 : x
  2. Step 2: Convert to fraction form
    436,204.95/602,421.77 = 388,655.03/x
  3. Step 3: Cross multiply
    436,204.95x = 602,421.77 × 388,655.03
  4. Step 4: Simplify right side
    436,204.95x = 234,134,246,136.62
  5. Step 5: Solve for x
    x = 234,134,246,136.62/436,204.95
  6. Step 6: Final answer
    x = 536,752.84

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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.