Home / 817,476.68-1,226,266.86-256,533.32

Finding the Fourth Proportional to 817,476.68, 1,226,266.86 and 256,533.32

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Solution

The fourth proportional to 817,476.68, 1,226,266.86 and 256,533.32 is: 384,816.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,476.68 : 1,226,266.86 = 256,533.32 : x
  2. Step 2: Convert to fraction form
    817,476.68/1,226,266.86 = 256,533.32/x
  3. Step 3: Cross multiply
    817,476.68x = 1,226,266.86 × 256,533.32
  4. Step 4: Simplify right side
    817,476.68x = 314,578,308,801.78
  5. Step 5: Solve for x
    x = 314,578,308,801.78/817,476.68
  6. Step 6: Final answer
    x = 384,816.25

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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.