Home / 901,328.65-1,243,833.44-493,429.21

Finding the Fourth Proportional to 901,328.65, 1,243,833.44 and 493,429.21

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Solution

The fourth proportional to 901,328.65, 1,243,833.44 and 493,429.21 is: 680,932.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,328.65 : 1,243,833.44 = 493,429.21 : x
  2. Step 2: Convert to fraction form
    901,328.65/1,243,833.44 = 493,429.21/x
  3. Step 3: Cross multiply
    901,328.65x = 1,243,833.44 × 493,429.21
  4. Step 4: Simplify right side
    901,328.65x = 613,743,746,094.05
  5. Step 5: Solve for x
    x = 613,743,746,094.05/901,328.65
  6. Step 6: Final answer
    x = 680,932.25

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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.