Home / 710,235.46-1,065,362.91-396,687.70

Finding the Fourth Proportional to 710,235.46, 1,065,362.91 and 396,687.70

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Solution

The fourth proportional to 710,235.46, 1,065,362.91 and 396,687.70 is: 595,036.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,235.46 : 1,065,362.91 = 396,687.70 : x
  2. Step 2: Convert to fraction form
    710,235.46/1,065,362.91 = 396,687.70/x
  3. Step 3: Cross multiply
    710,235.46x = 1,065,362.91 × 396,687.70
  4. Step 4: Simplify right side
    710,235.46x = 422,616,362,433.21
  5. Step 5: Solve for x
    x = 422,616,362,433.21/710,235.46
  6. Step 6: Final answer
    x = 595,036.98

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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.