Home / 699,431.80-1,049,666.10-462,695.80

Finding the Fourth Proportional to 699,431.80, 1,049,666.10 and 462,695.80

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Solution

The fourth proportional to 699,431.80, 1,049,666.10 and 462,695.80 is: 694,386.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,431.80 : 1,049,666.10 = 462,695.80 : x
  2. Step 2: Convert to fraction form
    699,431.80/1,049,666.10 = 462,695.80/x
  3. Step 3: Cross multiply
    699,431.80x = 1,049,666.10 × 462,695.80
  4. Step 4: Simplify right side
    699,431.80x = 485,676,095,872.38
  5. Step 5: Solve for x
    x = 485,676,095,872.38/699,431.80
  6. Step 6: Final answer
    x = 694,386.64

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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.