Home / 684,454.86-1,026,944.73-284,988.38

Finding the Fourth Proportional to 684,454.86, 1,026,944.73 and 284,988.38

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Solution

The fourth proportional to 684,454.86, 1,026,944.73 and 284,988.38 is: 427,591.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,454.86 : 1,026,944.73 = 284,988.38 : x
  2. Step 2: Convert to fraction form
    684,454.86/1,026,944.73 = 284,988.38/x
  3. Step 3: Cross multiply
    684,454.86x = 1,026,944.73 × 284,988.38
  4. Step 4: Simplify right side
    684,454.86x = 292,667,309,817.51
  5. Step 5: Solve for x
    x = 292,667,309,817.51/684,454.86
  6. Step 6: Final answer
    x = 427,591.84

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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.