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Finding the Fourth Proportional to 473,508.43, 653,417.63 and 258,607.33

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Solution

The fourth proportional to 473,508.43, 653,417.63 and 258,607.33 is: 356,865.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,508.43 : 653,417.63 = 258,607.33 : x
  2. Step 2: Convert to fraction form
    473,508.43/653,417.63 = 258,607.33/x
  3. Step 3: Cross multiply
    473,508.43x = 653,417.63 × 258,607.33
  4. Step 4: Simplify right side
    473,508.43x = 168,978,587,376.19
  5. Step 5: Solve for x
    x = 168,978,587,376.19/473,508.43
  6. Step 6: Final answer
    x = 356,865.00

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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.