Home / 840,927.87-1,160,076.87-550,411.65

Finding the Fourth Proportional to 840,927.87, 1,160,076.87 and 550,411.65

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Solution

The fourth proportional to 840,927.87, 1,160,076.87 and 550,411.65 is: 759,303.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,927.87 : 1,160,076.87 = 550,411.65 : x
  2. Step 2: Convert to fraction form
    840,927.87/1,160,076.87 = 550,411.65/x
  3. Step 3: Cross multiply
    840,927.87x = 1,160,076.87 × 550,411.65
  4. Step 4: Simplify right side
    840,927.87x = 638,519,824,143.54
  5. Step 5: Solve for x
    x = 638,519,824,143.54/840,927.87
  6. Step 6: Final answer
    x = 759,303.92

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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.