Home / 935,475.92-1,290,956.86-505,755.92

Finding the Fourth Proportional to 935,475.92, 1,290,956.86 and 505,755.92

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Solution

The fourth proportional to 935,475.92, 1,290,956.86 and 505,755.92 is: 697,943.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,475.92 : 1,290,956.86 = 505,755.92 : x
  2. Step 2: Convert to fraction form
    935,475.92/1,290,956.86 = 505,755.92/x
  3. Step 3: Cross multiply
    935,475.92x = 1,290,956.86 × 505,755.92
  4. Step 4: Simplify right side
    935,475.92x = 652,909,074,409.61
  5. Step 5: Solve for x
    x = 652,909,074,409.61/935,475.92
  6. Step 6: Final answer
    x = 697,943.22

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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.