Home / 840,796.52-1,160,334.04-478,284.24

Finding the Fourth Proportional to 840,796.52, 1,160,334.04 and 478,284.24

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Solution

The fourth proportional to 840,796.52, 1,160,334.04 and 478,284.24 is: 660,052.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,796.52 : 1,160,334.04 = 478,284.24 : x
  2. Step 2: Convert to fraction form
    840,796.52/1,160,334.04 = 478,284.24/x
  3. Step 3: Cross multiply
    840,796.52x = 1,160,334.04 × 478,284.24
  4. Step 4: Simplify right side
    840,796.52x = 554,969,484,467.53
  5. Step 5: Solve for x
    x = 554,969,484,467.53/840,796.52
  6. Step 6: Final answer
    x = 660,052.07

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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.