Home / 999,628.32-1,379,521.44-546,919.20

Finding the Fourth Proportional to 999,628.32, 1,379,521.44 and 546,919.20

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Solution

The fourth proportional to 999,628.32, 1,379,521.44 and 546,919.20 is: 754,767.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,628.32 : 1,379,521.44 = 546,919.20 : x
  2. Step 2: Convert to fraction form
    999,628.32/1,379,521.44 = 546,919.20/x
  3. Step 3: Cross multiply
    999,628.32x = 1,379,521.44 × 546,919.20
  4. Step 4: Simplify right side
    999,628.32x = 754,486,762,347.65
  5. Step 5: Solve for x
    x = 754,486,762,347.65/999,628.32
  6. Step 6: Final answer
    x = 754,767.29

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1.5x scale

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.