Home / 473,630.19-653,575.55-258,724.64

Finding the Fourth Proportional to 473,630.19, 653,575.55 and 258,724.64

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Solution

The fourth proportional to 473,630.19, 653,575.55 and 258,724.64 is: 357,021.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,630.19 : 653,575.55 = 258,724.64 : x
  2. Step 2: Convert to fraction form
    473,630.19/653,575.55 = 258,724.64/x
  3. Step 3: Cross multiply
    473,630.19x = 653,575.55 × 258,724.64
  4. Step 4: Simplify right side
    473,630.19x = 169,096,094,325.05
  5. Step 5: Solve for x
    x = 169,096,094,325.05/473,630.19
  6. Step 6: Final answer
    x = 357,021.36

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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.