Home / 603,858.04-833,402.93-389,621.34

Finding the Fourth Proportional to 603,858.04, 833,402.93 and 389,621.34

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Solution

The fourth proportional to 603,858.04, 833,402.93 and 389,621.34 is: 537,728.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,858.04 : 833,402.93 = 389,621.34 : x
  2. Step 2: Convert to fraction form
    603,858.04/833,402.93 = 389,621.34/x
  3. Step 3: Cross multiply
    603,858.04x = 833,402.93 × 389,621.34
  4. Step 4: Simplify right side
    603,858.04x = 324,711,564,398.42
  5. Step 5: Solve for x
    x = 324,711,564,398.42/603,858.04
  6. Step 6: Final answer
    x = 537,728.31

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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.