Home / 692,633.40-1,038,431.70-377,446.20

Finding the Fourth Proportional to 692,633.40, 1,038,431.70 and 377,446.20

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Solution

The fourth proportional to 692,633.40, 1,038,431.70 and 377,446.20 is: 565,886.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,633.40 : 1,038,431.70 = 377,446.20 : x
  2. Step 2: Convert to fraction form
    692,633.40/1,038,431.70 = 377,446.20/x
  3. Step 3: Cross multiply
    692,633.40x = 1,038,431.70 × 377,446.20
  4. Step 4: Simplify right side
    692,633.40x = 391,952,099,124.54
  5. Step 5: Solve for x
    x = 391,952,099,124.54/692,633.40
  6. Step 6: Final answer
    x = 565,886.80

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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.