Home / 473,423.12-653,320.40-258,563.28

Finding the Fourth Proportional to 473,423.12, 653,320.40 and 258,563.28

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Solution

The fourth proportional to 473,423.12, 653,320.40 and 258,563.28 is: 356,815.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,423.12 : 653,320.40 = 258,563.28 : x
  2. Step 2: Convert to fraction form
    473,423.12/653,320.40 = 258,563.28/x
  3. Step 3: Cross multiply
    473,423.12x = 653,320.40 × 258,563.28
  4. Step 4: Simplify right side
    473,423.12x = 168,924,665,514.91
  5. Step 5: Solve for x
    x = 168,924,665,514.91/473,423.12
  6. Step 6: Final answer
    x = 356,815.41

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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.