Home / 405,001.10-607,501.65-271,156.70

Finding the Fourth Proportional to 405,001.10, 607,501.65 and 271,156.70

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Solution

The fourth proportional to 405,001.10, 607,501.65 and 271,156.70 is: 406,735.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,001.10 : 607,501.65 = 271,156.70 : x
  2. Step 2: Convert to fraction form
    405,001.10/607,501.65 = 271,156.70/x
  3. Step 3: Cross multiply
    405,001.10x = 607,501.65 × 271,156.70
  4. Step 4: Simplify right side
    405,001.10x = 164,728,142,658.56
  5. Step 5: Solve for x
    x = 164,728,142,658.56/405,001.10
  6. Step 6: Final answer
    x = 406,735.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.