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Finding the Fourth Proportional to 720,595.68, 994,320.42 and 410,506.42

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Solution

The fourth proportional to 720,595.68, 994,320.42 and 410,506.42 is: 566,440.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,595.68 : 994,320.42 = 410,506.42 : x
  2. Step 2: Convert to fraction form
    720,595.68/994,320.42 = 410,506.42/x
  3. Step 3: Cross multiply
    720,595.68x = 994,320.42 × 410,506.42
  4. Step 4: Simplify right side
    720,595.68x = 408,174,915,947.10
  5. Step 5: Solve for x
    x = 408,174,915,947.10/720,595.68
  6. Step 6: Final answer
    x = 566,440.97

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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.