Home / 438,606.42-658,172.04-402,914.58

Finding the Fourth Proportional to 438,606.42, 658,172.04 and 402,914.58

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Solution

The fourth proportional to 438,606.42, 658,172.04 and 402,914.58 is: 604,612.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,606.42 : 658,172.04 = 402,914.58 : x
  2. Step 2: Convert to fraction form
    438,606.42/658,172.04 = 402,914.58/x
  3. Step 3: Cross multiply
    438,606.42x = 658,172.04 × 402,914.58
  4. Step 4: Simplify right side
    438,606.42x = 265,187,111,064.34
  5. Step 5: Solve for x
    x = 265,187,111,064.34/438,606.42
  6. Step 6: Final answer
    x = 604,612.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.