Home / 693,929.18-1,040,477.10-288,633.88

Finding the Fourth Proportional to 693,929.18, 1,040,477.10 and 288,633.88

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Solution

The fourth proportional to 693,929.18, 1,040,477.10 and 288,633.88 is: 432,777.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,929.18 : 1,040,477.10 = 288,633.88 : x
  2. Step 2: Convert to fraction form
    693,929.18/1,040,477.10 = 288,633.88/x
  3. Step 3: Cross multiply
    693,929.18x = 1,040,477.10 × 288,633.88
  4. Step 4: Simplify right side
    693,929.18x = 300,316,942,642.37
  5. Step 5: Solve for x
    x = 300,316,942,642.37/693,929.18
  6. Step 6: Final answer
    x = 432,777.51

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1.5x scale

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.