Home / 912,807.48-1,259,718.54-504,907.56

Finding the Fourth Proportional to 912,807.48, 1,259,718.54 and 504,907.56

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Solution

The fourth proportional to 912,807.48, 1,259,718.54 and 504,907.56 is: 696,796.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,807.48 : 1,259,718.54 = 504,907.56 : x
  2. Step 2: Convert to fraction form
    912,807.48/1,259,718.54 = 504,907.56/x
  3. Step 3: Cross multiply
    912,807.48x = 1,259,718.54 × 504,907.56
  4. Step 4: Simplify right side
    912,807.48x = 636,041,414,318.16
  5. Step 5: Solve for x
    x = 636,041,414,318.16/912,807.48
  6. Step 6: Final answer
    x = 696,796.89

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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.