Home / 935,505.18-1,290,996.81-505,785.18

Finding the Fourth Proportional to 935,505.18, 1,290,996.81 and 505,785.18

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Solution

The fourth proportional to 935,505.18, 1,290,996.81 and 505,785.18 is: 697,983.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,505.18 : 1,290,996.81 = 505,785.18 : x
  2. Step 2: Convert to fraction form
    935,505.18/1,290,996.81 = 505,785.18/x
  3. Step 3: Cross multiply
    935,505.18x = 1,290,996.81 × 505,785.18
  4. Step 4: Simplify right side
    935,505.18x = 652,967,053,925.28
  5. Step 5: Solve for x
    x = 652,967,053,925.28/935,505.18
  6. Step 6: Final answer
    x = 697,983.37

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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.