Home / 473,278.11-653,120.51-258,418.05

Finding the Fourth Proportional to 473,278.11, 653,120.51 and 258,418.05

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Solution

The fourth proportional to 473,278.11, 653,120.51 and 258,418.05 is: 356,615.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,278.11 : 653,120.51 = 258,418.05 : x
  2. Step 2: Convert to fraction form
    473,278.11/653,120.51 = 258,418.05/x
  3. Step 3: Cross multiply
    473,278.11x = 653,120.51 × 258,418.05
  4. Step 4: Simplify right side
    473,278.11x = 168,778,125,343.60
  5. Step 5: Solve for x
    x = 168,778,125,343.60/473,278.11
  6. Step 6: Final answer
    x = 356,615.11

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.