Home / 319,546.08-476,889.12-284,117.76

Finding the Fourth Proportional to 319,546.08, 476,889.12 and 284,117.76

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Solution

The fourth proportional to 319,546.08, 476,889.12 and 284,117.76 is: 424,016.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,546.08 : 476,889.12 = 284,117.76 : x
  2. Step 2: Convert to fraction form
    319,546.08/476,889.12 = 284,117.76/x
  3. Step 3: Cross multiply
    319,546.08x = 476,889.12 × 284,117.76
  4. Step 4: Simplify right side
    319,546.08x = 135,492,668,542.77
  5. Step 5: Solve for x
    x = 135,492,668,542.77/319,546.08
  6. Step 6: Final answer
    x = 424,016.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.