Home / 708,022.96-977,068.76-385,732.06

Finding the Fourth Proportional to 708,022.96, 977,068.76 and 385,732.06

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Solution

The fourth proportional to 708,022.96, 977,068.76 and 385,732.06 is: 532,308.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,022.96 : 977,068.76 = 385,732.06 : x
  2. Step 2: Convert to fraction form
    708,022.96/977,068.76 = 385,732.06/x
  3. Step 3: Cross multiply
    708,022.96x = 977,068.76 × 385,732.06
  4. Step 4: Simplify right side
    708,022.96x = 376,886,745,556.45
  5. Step 5: Solve for x
    x = 376,886,745,556.45/708,022.96
  6. Step 6: Final answer
    x = 532,308.65

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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.