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Finding the Fourth Proportional to 566,911.04, 782,338.32 and 308,787.20

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Solution

The fourth proportional to 566,911.04, 782,338.32 and 308,787.20 is: 426,126.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,911.04 : 782,338.32 = 308,787.20 : x
  2. Step 2: Convert to fraction form
    566,911.04/782,338.32 = 308,787.20/x
  3. Step 3: Cross multiply
    566,911.04x = 782,338.32 × 308,787.20
  4. Step 4: Simplify right side
    566,911.04x = 241,576,055,373.81
  5. Step 5: Solve for x
    x = 241,576,055,373.81/566,911.04
  6. Step 6: Final answer
    x = 426,126.92

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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.