Home / 947,529.29-1,307,439.83-539,639.01

Finding the Fourth Proportional to 947,529.29, 1,307,439.83 and 539,639.01

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Solution

The fourth proportional to 947,529.29, 1,307,439.83 and 539,639.01 is: 744,616.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,529.29 : 1,307,439.83 = 539,639.01 : x
  2. Step 2: Convert to fraction form
    947,529.29/1,307,439.83 = 539,639.01/x
  3. Step 3: Cross multiply
    947,529.29x = 1,307,439.83 × 539,639.01
  4. Step 4: Simplify right side
    947,529.29x = 705,545,536,844.87
  5. Step 5: Solve for x
    x = 705,545,536,844.87/947,529.29
  6. Step 6: Final answer
    x = 744,616.07

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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.