Home / 778,744.33-1,074,464.09-456,281.17

Finding the Fourth Proportional to 778,744.33, 1,074,464.09 and 456,281.17

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Solution

The fourth proportional to 778,744.33, 1,074,464.09 and 456,281.17 is: 629,549.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,744.33 : 1,074,464.09 = 456,281.17 : x
  2. Step 2: Convert to fraction form
    778,744.33/1,074,464.09 = 456,281.17/x
  3. Step 3: Cross multiply
    778,744.33x = 1,074,464.09 × 456,281.17
  4. Step 4: Simplify right side
    778,744.33x = 490,257,728,851.67
  5. Step 5: Solve for x
    x = 490,257,728,851.67/778,744.33
  6. Step 6: Final answer
    x = 629,549.02

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Double scale
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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.