Home / 855,356.46-1,180,686.96-492,924.76

Finding the Fourth Proportional to 855,356.46, 1,180,686.96 and 492,924.76

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Solution

The fourth proportional to 855,356.46, 1,180,686.96 and 492,924.76 is: 680,406.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,356.46 : 1,180,686.96 = 492,924.76 : x
  2. Step 2: Convert to fraction form
    855,356.46/1,180,686.96 = 492,924.76/x
  3. Step 3: Cross multiply
    855,356.46x = 1,180,686.96 × 492,924.76
  4. Step 4: Simplify right side
    855,356.46x = 581,989,836,393.13
  5. Step 5: Solve for x
    x = 581,989,836,393.13/855,356.46
  6. Step 6: Final answer
    x = 680,406.20

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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.