Home / 708,022.01-977,067.46-385,731.11

Finding the Fourth Proportional to 708,022.01, 977,067.46 and 385,731.11

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Solution

The fourth proportional to 708,022.01, 977,067.46 and 385,731.11 is: 532,307.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,022.01 : 977,067.46 = 385,731.11 : x
  2. Step 2: Convert to fraction form
    708,022.01/977,067.46 = 385,731.11/x
  3. Step 3: Cross multiply
    708,022.01x = 977,067.46 × 385,731.11
  4. Step 4: Simplify right side
    708,022.01x = 376,885,318,815.51
  5. Step 5: Solve for x
    x = 376,885,318,815.51/708,022.01
  6. Step 6: Final answer
    x = 532,307.35

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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.