Home / 708,295.28-977,418.96-385,998.46

Finding the Fourth Proportional to 708,295.28, 977,418.96 and 385,998.46

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Solution

The fourth proportional to 708,295.28, 977,418.96 and 385,998.46 is: 532,662.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,295.28 : 977,418.96 = 385,998.46 : x
  2. Step 2: Convert to fraction form
    708,295.28/977,418.96 = 385,998.46/x
  3. Step 3: Cross multiply
    708,295.28x = 977,418.96 × 385,998.46
  4. Step 4: Simplify right side
    708,295.28x = 377,282,213,334.80
  5. Step 5: Solve for x
    x = 377,282,213,334.80/708,295.28
  6. Step 6: Final answer
    x = 532,662.33

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Double scale
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Similar ratio
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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.