Home / 634,506.28-875,619.93-348,028.72

Finding the Fourth Proportional to 634,506.28, 875,619.93 and 348,028.72

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Solution

The fourth proportional to 634,506.28, 875,619.93 and 348,028.72 is: 480,280.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,506.28 : 875,619.93 = 348,028.72 : x
  2. Step 2: Convert to fraction form
    634,506.28/875,619.93 = 348,028.72/x
  3. Step 3: Cross multiply
    634,506.28x = 875,619.93 × 348,028.72
  4. Step 4: Simplify right side
    634,506.28x = 304,740,883,444.39
  5. Step 5: Solve for x
    x = 304,740,883,444.39/634,506.28
  6. Step 6: Final answer
    x = 480,280.33

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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.