Home / 690,924.96-1,036,424.52-217,647.36

Finding the Fourth Proportional to 690,924.96, 1,036,424.52 and 217,647.36

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Solution

The fourth proportional to 690,924.96, 1,036,424.52 and 217,647.36 is: 326,482.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,924.96 : 1,036,424.52 = 217,647.36 : x
  2. Step 2: Convert to fraction form
    690,924.96/1,036,424.52 = 217,647.36/x
  3. Step 3: Cross multiply
    690,924.96x = 1,036,424.52 × 217,647.36
  4. Step 4: Simplify right side
    690,924.96x = 225,575,060,617.27
  5. Step 5: Solve for x
    x = 225,575,060,617.27/690,924.96
  6. Step 6: Final answer
    x = 326,482.72

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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.