Home / 634,402.32-875,475.27-347,928.39

Finding the Fourth Proportional to 634,402.32, 875,475.27 and 347,928.39

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Solution

The fourth proportional to 634,402.32, 875,475.27 and 347,928.39 is: 480,141.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,402.32 : 875,475.27 = 347,928.39 : x
  2. Step 2: Convert to fraction form
    634,402.32/875,475.27 = 347,928.39/x
  3. Step 3: Cross multiply
    634,402.32x = 875,475.27 × 347,928.39
  4. Step 4: Simplify right side
    634,402.32x = 304,602,701,175.92
  5. Step 5: Solve for x
    x = 304,602,701,175.92/634,402.32
  6. Step 6: Final answer
    x = 480,141.22

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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.