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Finding the Fourth Proportional to 504,225.72, 696,009.78 and 450,417.24

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Solution

The fourth proportional to 504,225.72, 696,009.78 and 450,417.24 is: 621,735.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,225.72 : 696,009.78 = 450,417.24 : x
  2. Step 2: Convert to fraction form
    504,225.72/696,009.78 = 450,417.24/x
  3. Step 3: Cross multiply
    504,225.72x = 696,009.78 × 450,417.24
  4. Step 4: Simplify right side
    504,225.72x = 313,494,804,120.61
  5. Step 5: Solve for x
    x = 313,494,804,120.61/504,225.72
  6. Step 6: Final answer
    x = 621,735.05

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1.5x scale

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.