Home / 984,856.51-1,476,694.27-478,420.21

Finding the Fourth Proportional to 984,856.51, 1,476,694.27 and 478,420.21

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Solution

The fourth proportional to 984,856.51, 1,476,694.27 and 478,420.21 is: 717,343.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,856.51 : 1,476,694.27 = 478,420.21 : x
  2. Step 2: Convert to fraction form
    984,856.51/1,476,694.27 = 478,420.21/x
  3. Step 3: Cross multiply
    984,856.51x = 1,476,694.27 × 478,420.21
  4. Step 4: Simplify right side
    984,856.51x = 706,480,382,759.20
  5. Step 5: Solve for x
    x = 706,480,382,759.20/984,856.51
  6. Step 6: Final answer
    x = 717,343.47

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.