Home / 773,740.74-1,160,542.30-268,290.40

Finding the Fourth Proportional to 773,740.74, 1,160,542.30 and 268,290.40

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Solution

The fourth proportional to 773,740.74, 1,160,542.30 and 268,290.40 is: 402,411.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,740.74 : 1,160,542.30 = 268,290.40 : x
  2. Step 2: Convert to fraction form
    773,740.74/1,160,542.30 = 268,290.40/x
  3. Step 3: Cross multiply
    773,740.74x = 1,160,542.30 × 268,290.40
  4. Step 4: Simplify right side
    773,740.74x = 311,362,357,883.92
  5. Step 5: Solve for x
    x = 311,362,357,883.92/773,740.74
  6. Step 6: Final answer
    x = 402,411.74

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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.