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Finding the Fourth Proportional to 424,673.28, 586,014.72 and 233,656.32

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Solution

The fourth proportional to 424,673.28, 586,014.72 and 233,656.32 is: 322,426.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,673.28 : 586,014.72 = 233,656.32 : x
  2. Step 2: Convert to fraction form
    424,673.28/586,014.72 = 233,656.32/x
  3. Step 3: Cross multiply
    424,673.28x = 586,014.72 × 233,656.32
  4. Step 4: Simplify right side
    424,673.28x = 136,926,042,941.03
  5. Step 5: Solve for x
    x = 136,926,042,941.03/424,673.28
  6. Step 6: Final answer
    x = 322,426.79

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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.