Home / 473,748.12-653,769.99-280,225.35

Finding the Fourth Proportional to 473,748.12, 653,769.99 and 280,225.35

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Solution

The fourth proportional to 473,748.12, 653,769.99 and 280,225.35 is: 386,709.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,748.12 : 653,769.99 = 280,225.35 : x
  2. Step 2: Convert to fraction form
    473,748.12/653,769.99 = 280,225.35/x
  3. Step 3: Cross multiply
    473,748.12x = 653,769.99 × 280,225.35
  4. Step 4: Simplify right side
    473,748.12x = 183,202,924,267.25
  5. Step 5: Solve for x
    x = 183,202,924,267.25/473,748.12
  6. Step 6: Final answer
    x = 386,709.55

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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.