Home / 708,258.40-977,396.76-385,968.58

Finding the Fourth Proportional to 708,258.40, 977,396.76 and 385,968.58

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Solution

The fourth proportional to 708,258.40, 977,396.76 and 385,968.58 is: 532,636.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,258.40 : 977,396.76 = 385,968.58 : x
  2. Step 2: Convert to fraction form
    708,258.40/977,396.76 = 385,968.58/x
  3. Step 3: Cross multiply
    708,258.40x = 977,396.76 × 385,968.58
  4. Step 4: Simplify right side
    708,258.40x = 377,244,437,110.31
  5. Step 5: Solve for x
    x = 377,244,437,110.31/708,258.40
  6. Step 6: Final answer
    x = 532,636.73

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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.