Home / 684,533.80-1,024,832.40-418,813.30

Finding the Fourth Proportional to 684,533.80, 1,024,832.40 and 418,813.30

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Solution

The fourth proportional to 684,533.80, 1,024,832.40 and 418,813.30 is: 627,015.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,533.80 : 1,024,832.40 = 418,813.30 : x
  2. Step 2: Convert to fraction form
    684,533.80/1,024,832.40 = 418,813.30/x
  3. Step 3: Cross multiply
    684,533.80x = 1,024,832.40 × 418,813.30
  4. Step 4: Simplify right side
    684,533.80x = 429,213,439,390.92
  5. Step 5: Solve for x
    x = 429,213,439,390.92/684,533.80
  6. Step 6: Final answer
    x = 627,015.70

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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.