Home / 634,654.44-875,829.78-348,167.16

Finding the Fourth Proportional to 634,654.44, 875,829.78 and 348,167.16

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Solution

The fourth proportional to 634,654.44, 875,829.78 and 348,167.16 is: 480,474.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,654.44 : 875,829.78 = 348,167.16 : x
  2. Step 2: Convert to fraction form
    634,654.44/875,829.78 = 348,167.16/x
  3. Step 3: Cross multiply
    634,654.44x = 875,829.78 × 348,167.16
  4. Step 4: Simplify right side
    634,654.44x = 304,935,167,146.03
  5. Step 5: Solve for x
    x = 304,935,167,146.03/634,654.44
  6. Step 6: Final answer
    x = 480,474.33

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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.