Home / 657,496.20-986,244.30-480,349.20

Finding the Fourth Proportional to 657,496.20, 986,244.30 and 480,349.20

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Solution

The fourth proportional to 657,496.20, 986,244.30 and 480,349.20 is: 720,523.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,496.20 : 986,244.30 = 480,349.20 : x
  2. Step 2: Convert to fraction form
    657,496.20/986,244.30 = 480,349.20/x
  3. Step 3: Cross multiply
    657,496.20x = 986,244.30 × 480,349.20
  4. Step 4: Simplify right side
    657,496.20x = 473,741,660,509.56
  5. Step 5: Solve for x
    x = 473,741,660,509.56/657,496.20
  6. Step 6: Final answer
    x = 720,523.80

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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.