Home / 710,235.96-1,065,363.66-396,688.20

Finding the Fourth Proportional to 710,235.96, 1,065,363.66 and 396,688.20

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Solution

The fourth proportional to 710,235.96, 1,065,363.66 and 396,688.20 is: 595,037.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,235.96 : 1,065,363.66 = 396,688.20 : x
  2. Step 2: Convert to fraction form
    710,235.96/1,065,363.66 = 396,688.20/x
  3. Step 3: Cross multiply
    710,235.96x = 1,065,363.66 × 396,688.20
  4. Step 4: Simplify right side
    710,235.96x = 422,617,192,630.81
  5. Step 5: Solve for x
    x = 422,617,192,630.81/710,235.96
  6. Step 6: Final answer
    x = 595,037.73

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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.