Home / 476,848.80-657,777.58-297,689.76

Finding the Fourth Proportional to 476,848.80, 657,777.58 and 297,689.76

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Solution

The fourth proportional to 476,848.80, 657,777.58 and 297,689.76 is: 410,640.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,848.80 : 657,777.58 = 297,689.76 : x
  2. Step 2: Convert to fraction form
    476,848.80/657,777.58 = 297,689.76/x
  3. Step 3: Cross multiply
    476,848.80x = 657,777.58 × 297,689.76
  4. Step 4: Simplify right side
    476,848.80x = 195,813,649,923.58
  5. Step 5: Solve for x
    x = 195,813,649,923.58/476,848.80
  6. Step 6: Final answer
    x = 410,640.96

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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.