Home / 687,228.98-1,030,596.39-237,827.79

Finding the Fourth Proportional to 687,228.98, 1,030,596.39 and 237,827.79

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Solution

The fourth proportional to 687,228.98, 1,030,596.39 and 237,827.79 is: 356,656.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,228.98 : 1,030,596.39 = 237,827.79 : x
  2. Step 2: Convert to fraction form
    687,228.98/1,030,596.39 = 237,827.79/x
  3. Step 3: Cross multiply
    687,228.98x = 1,030,596.39 × 237,827.79
  4. Step 4: Simplify right side
    687,228.98x = 245,104,461,815.68
  5. Step 5: Solve for x
    x = 245,104,461,815.68/687,228.98
  6. Step 6: Final answer
    x = 356,656.18

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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.