Home / 547,867.90-756,043.23-306,152.47

Finding the Fourth Proportional to 547,867.90, 756,043.23 and 306,152.47

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Solution

The fourth proportional to 547,867.90, 756,043.23 and 306,152.47 is: 422,482.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,867.90 : 756,043.23 = 306,152.47 : x
  2. Step 2: Convert to fraction form
    547,867.90/756,043.23 = 306,152.47/x
  3. Step 3: Cross multiply
    547,867.90x = 756,043.23 × 306,152.47
  4. Step 4: Simplify right side
    547,867.90x = 231,464,502,291.28
  5. Step 5: Solve for x
    x = 231,464,502,291.28/547,867.90
  6. Step 6: Final answer
    x = 422,482.32

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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.