Home / 993,885.49-1,490,969.18-319,810.17

Finding the Fourth Proportional to 993,885.49, 1,490,969.18 and 319,810.17

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Solution

The fourth proportional to 993,885.49, 1,490,969.18 and 319,810.17 is: 479,760.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,885.49 : 1,490,969.18 = 319,810.17 : x
  2. Step 2: Convert to fraction form
    993,885.49/1,490,969.18 = 319,810.17/x
  3. Step 3: Cross multiply
    993,885.49x = 1,490,969.18 × 319,810.17
  4. Step 4: Simplify right side
    993,885.49x = 476,827,111,512.29
  5. Step 5: Solve for x
    x = 476,827,111,512.29/993,885.49
  6. Step 6: Final answer
    x = 479,760.61

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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.