Home / 923,947.50-1,275,047.55-500,011.50

Finding the Fourth Proportional to 923,947.50, 1,275,047.55 and 500,011.50

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Solution

The fourth proportional to 923,947.50, 1,275,047.55 and 500,011.50 is: 690,015.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,947.50 : 1,275,047.55 = 500,011.50 : x
  2. Step 2: Convert to fraction form
    923,947.50/1,275,047.55 = 500,011.50/x
  3. Step 3: Cross multiply
    923,947.50x = 1,275,047.55 × 500,011.50
  4. Step 4: Simplify right side
    923,947.50x = 637,538,438,046.83
  5. Step 5: Solve for x
    x = 637,538,438,046.83/923,947.50
  6. Step 6: Final answer
    x = 690,015.87

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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.