Home / 692,878.04-1,039,346.18-338,190.38

Finding the Fourth Proportional to 692,878.04, 1,039,346.18 and 338,190.38

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Solution

The fourth proportional to 692,878.04, 1,039,346.18 and 338,190.38 is: 507,299.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,878.04 : 1,039,346.18 = 338,190.38 : x
  2. Step 2: Convert to fraction form
    692,878.04/1,039,346.18 = 338,190.38/x
  3. Step 3: Cross multiply
    692,878.04x = 1,039,346.18 × 338,190.38
  4. Step 4: Simplify right side
    692,878.04x = 351,496,879,565.75
  5. Step 5: Solve for x
    x = 351,496,879,565.75/692,878.04
  6. Step 6: Final answer
    x = 507,299.78

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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.