Home / 499,592.85-689,421.04-284,802.13

Finding the Fourth Proportional to 499,592.85, 689,421.04 and 284,802.13

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Solution

The fourth proportional to 499,592.85, 689,421.04 and 284,802.13 is: 393,017.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,592.85 : 689,421.04 = 284,802.13 : x
  2. Step 2: Convert to fraction form
    499,592.85/689,421.04 = 284,802.13/x
  3. Step 3: Cross multiply
    499,592.85x = 689,421.04 × 284,802.13
  4. Step 4: Simplify right side
    499,592.85x = 196,348,580,658.82
  5. Step 5: Solve for x
    x = 196,348,580,658.82/499,592.85
  6. Step 6: Final answer
    x = 393,017.20

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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.