Home / 778,597.47-1,074,261.16-456,134.22

Finding the Fourth Proportional to 778,597.47, 1,074,261.16 and 456,134.22

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Solution

The fourth proportional to 778,597.47, 1,074,261.16 and 456,134.22 is: 629,346.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,597.47 : 1,074,261.16 = 456,134.22 : x
  2. Step 2: Convert to fraction form
    778,597.47/1,074,261.16 = 456,134.22/x
  3. Step 3: Cross multiply
    778,597.47x = 1,074,261.16 × 456,134.22
  4. Step 4: Simplify right side
    778,597.47x = 490,007,276,292.90
  5. Step 5: Solve for x
    x = 490,007,276,292.90/778,597.47
  6. Step 6: Final answer
    x = 629,346.09

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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.