Home / 993,770.07-1,490,341.29-319,701.16

Finding the Fourth Proportional to 993,770.07, 1,490,341.29 and 319,701.16

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Solution

The fourth proportional to 993,770.07, 1,490,341.29 and 319,701.16 is: 479,450.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,770.07 : 1,490,341.29 = 319,701.16 : x
  2. Step 2: Convert to fraction form
    993,770.07/1,490,341.29 = 319,701.16/x
  3. Step 3: Cross multiply
    993,770.07x = 1,490,341.29 × 319,701.16
  4. Step 4: Simplify right side
    993,770.07x = 476,463,839,208.90
  5. Step 5: Solve for x
    x = 476,463,839,208.90/993,770.07
  6. Step 6: Final answer
    x = 479,450.78

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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.