Home / 708,258.13-977,367.75-385,961.30

Finding the Fourth Proportional to 708,258.13, 977,367.75 and 385,961.30

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Solution

The fourth proportional to 708,258.13, 977,367.75 and 385,961.30 is: 532,611.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,258.13 : 977,367.75 = 385,961.30 : x
  2. Step 2: Convert to fraction form
    708,258.13/977,367.75 = 385,961.30/x
  3. Step 3: Cross multiply
    708,258.13x = 977,367.75 × 385,961.30
  4. Step 4: Simplify right side
    708,258.13x = 377,226,127,368.08
  5. Step 5: Solve for x
    x = 377,226,127,368.08/708,258.13
  6. Step 6: Final answer
    x = 532,611.08

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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.