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Finding the Fourth Proportional to 634,400.26, 875,468.34 and 362,551.30

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Solution

The fourth proportional to 634,400.26, 875,468.34 and 362,551.30 is: 500,318.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,400.26 : 875,468.34 = 362,551.30 : x
  2. Step 2: Convert to fraction form
    634,400.26/875,468.34 = 362,551.30/x
  3. Step 3: Cross multiply
    634,400.26x = 875,468.34 × 362,551.30
  4. Step 4: Simplify right side
    634,400.26x = 317,402,184,775.84
  5. Step 5: Solve for x
    x = 317,402,184,775.84/634,400.26
  6. Step 6: Final answer
    x = 500,318.50

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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.