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Finding the Fourth Proportional to 656,402.81, 984,210.48 and 256,567.25

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Solution

The fourth proportional to 656,402.81, 984,210.48 and 256,567.25 is: 384,696.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,402.81 : 984,210.48 = 256,567.25 : x
  2. Step 2: Convert to fraction form
    656,402.81/984,210.48 = 256,567.25/x
  3. Step 3: Cross multiply
    656,402.81x = 984,210.48 × 256,567.25
  4. Step 4: Simplify right side
    656,402.81x = 252,516,178,735.31
  5. Step 5: Solve for x
    x = 252,516,178,735.31/656,402.81
  6. Step 6: Final answer
    x = 384,696.98

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1.5x scale

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.