Home / 935,470.91-1,290,949.95-505,750.92

Finding the Fourth Proportional to 935,470.91, 1,290,949.95 and 505,750.92

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Solution

The fourth proportional to 935,470.91, 1,290,949.95 and 505,750.92 is: 697,936.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,470.91 : 1,290,949.95 = 505,750.92 : x
  2. Step 2: Convert to fraction form
    935,470.91/1,290,949.95 = 505,750.92/x
  3. Step 3: Cross multiply
    935,470.91x = 1,290,949.95 × 505,750.92
  4. Step 4: Simplify right side
    935,470.91x = 652,899,124,886.45
  5. Step 5: Solve for x
    x = 652,899,124,886.45/935,470.91
  6. Step 6: Final answer
    x = 697,936.32

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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.