Home / 616,058.07-849,841.70-389,834.79

Finding the Fourth Proportional to 616,058.07, 849,841.70 and 389,834.79

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Solution

The fourth proportional to 616,058.07, 849,841.70 and 389,834.79 is: 537,770.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,058.07 : 849,841.70 = 389,834.79 : x
  2. Step 2: Convert to fraction form
    616,058.07/849,841.70 = 389,834.79/x
  3. Step 3: Cross multiply
    616,058.07x = 849,841.70 × 389,834.79
  4. Step 4: Simplify right side
    616,058.07x = 331,297,860,652.74
  5. Step 5: Solve for x
    x = 331,297,860,652.74/616,058.07
  6. Step 6: Final answer
    x = 537,770.51

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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.