Home / 476,897.80-658,176.18-286,016.20

Finding the Fourth Proportional to 476,897.80, 658,176.18 and 286,016.20

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Solution

The fourth proportional to 476,897.80, 658,176.18 and 286,016.20 is: 394,736.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,897.80 : 658,176.18 = 286,016.20 : x
  2. Step 2: Convert to fraction form
    476,897.80/658,176.18 = 286,016.20/x
  3. Step 3: Cross multiply
    476,897.80x = 658,176.18 × 286,016.20
  4. Step 4: Simplify right side
    476,897.80x = 188,249,049,934.12
  5. Step 5: Solve for x
    x = 188,249,049,934.12/476,897.80
  6. Step 6: Final answer
    x = 394,736.67

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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.