Home / 592,977.72-818,686.26-389,389.89

Finding the Fourth Proportional to 592,977.72, 818,686.26 and 389,389.89

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Solution

The fourth proportional to 592,977.72, 818,686.26 and 389,389.89 is: 537,605.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,977.72 : 818,686.26 = 389,389.89 : x
  2. Step 2: Convert to fraction form
    592,977.72/818,686.26 = 389,389.89/x
  3. Step 3: Cross multiply
    592,977.72x = 818,686.26 × 389,389.89
  4. Step 4: Simplify right side
    592,977.72x = 318,788,152,725.91
  5. Step 5: Solve for x
    x = 318,788,152,725.91/592,977.72
  6. Step 6: Final answer
    x = 537,605.62

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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.