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Finding the Fourth Proportional to 671,720.23, 925,994.59 and 510,295.06

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Solution

The fourth proportional to 671,720.23, 925,994.59 and 510,295.06 is: 703,463.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,720.23 : 925,994.59 = 510,295.06 : x
  2. Step 2: Convert to fraction form
    671,720.23/925,994.59 = 510,295.06/x
  3. Step 3: Cross multiply
    671,720.23x = 925,994.59 × 510,295.06
  4. Step 4: Simplify right side
    671,720.23x = 472,530,464,863.73
  5. Step 5: Solve for x
    x = 472,530,464,863.73/671,720.23
  6. Step 6: Final answer
    x = 703,463.20

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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.