Home / 711,390.96-1,067,454.54-312,312.06

Finding the Fourth Proportional to 711,390.96, 1,067,454.54 and 312,312.06

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Solution

The fourth proportional to 711,390.96, 1,067,454.54 and 312,312.06 is: 468,629.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,390.96 : 1,067,454.54 = 312,312.06 : x
  2. Step 2: Convert to fraction form
    711,390.96/1,067,454.54 = 312,312.06/x
  3. Step 3: Cross multiply
    711,390.96x = 1,067,454.54 × 312,312.06
  4. Step 4: Simplify right side
    711,390.96x = 333,378,926,343.75
  5. Step 5: Solve for x
    x = 333,378,926,343.75/711,390.96
  6. Step 6: Final answer
    x = 468,629.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.