Home / 913,607.20-1,260,737.04-505,724.32

Finding the Fourth Proportional to 913,607.20, 1,260,737.04 and 505,724.32

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Solution

The fourth proportional to 913,607.20, 1,260,737.04 and 505,724.32 is: 697,876.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,607.20 : 1,260,737.04 = 505,724.32 : x
  2. Step 2: Convert to fraction form
    913,607.20/1,260,737.04 = 505,724.32/x
  3. Step 3: Cross multiply
    913,607.20x = 1,260,737.04 × 505,724.32
  4. Step 4: Simplify right side
    913,607.20x = 637,585,382,252.81
  5. Step 5: Solve for x
    x = 637,585,382,252.81/913,607.20
  6. Step 6: Final answer
    x = 697,876.92

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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.