Home / 945,664.80-1,418,497.20-472,423.20

Finding the Fourth Proportional to 945,664.80, 1,418,497.20 and 472,423.20

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Solution

The fourth proportional to 945,664.80, 1,418,497.20 and 472,423.20 is: 708,634.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,664.80 : 1,418,497.20 = 472,423.20 : x
  2. Step 2: Convert to fraction form
    945,664.80/1,418,497.20 = 472,423.20/x
  3. Step 3: Cross multiply
    945,664.80x = 1,418,497.20 × 472,423.20
  4. Step 4: Simplify right side
    945,664.80x = 670,130,986,415.04
  5. Step 5: Solve for x
    x = 670,130,986,415.04/945,664.80
  6. Step 6: Final answer
    x = 708,634.80

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Double scale
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Similar ratio
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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.