Home / 634,513.10-875,623.31-348,031.13

Finding the Fourth Proportional to 634,513.10, 875,623.31 and 348,031.13

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Solution

The fourth proportional to 634,513.10, 875,623.31 and 348,031.13 is: 480,280.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,513.10 : 875,623.31 = 348,031.13 : x
  2. Step 2: Convert to fraction form
    634,513.10/875,623.31 = 348,031.13/x
  3. Step 3: Cross multiply
    634,513.10x = 875,623.31 × 348,031.13
  4. Step 4: Simplify right side
    634,513.10x = 304,744,172,103.54
  5. Step 5: Solve for x
    x = 304,744,172,103.54/634,513.10
  6. Step 6: Final answer
    x = 480,280.35

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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.