Home / 436,204.66-602,421.35-388,654.72

Finding the Fourth Proportional to 436,204.66, 602,421.35 and 388,654.72

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Solution

The fourth proportional to 436,204.66, 602,421.35 and 388,654.72 is: 536,752.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,204.66 : 602,421.35 = 388,654.72 : x
  2. Step 2: Convert to fraction form
    436,204.66/602,421.35 = 388,654.72/x
  3. Step 3: Cross multiply
    436,204.66x = 602,421.35 × 388,654.72
  4. Step 4: Simplify right side
    436,204.66x = 234,133,903,583.96
  5. Step 5: Solve for x
    x = 234,133,903,583.96/436,204.66
  6. Step 6: Final answer
    x = 536,752.41

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1.5x scale

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.