Home / 687,219.72-1,030,582.60-237,818.58

Finding the Fourth Proportional to 687,219.72, 1,030,582.60 and 237,818.58

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Solution

The fourth proportional to 687,219.72, 1,030,582.60 and 237,818.58 is: 356,642.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,219.72 : 1,030,582.60 = 237,818.58 : x
  2. Step 2: Convert to fraction form
    687,219.72/1,030,582.60 = 237,818.58/x
  3. Step 3: Cross multiply
    687,219.72x = 1,030,582.60 × 237,818.58
  4. Step 4: Simplify right side
    687,219.72x = 245,091,689,910.16
  5. Step 5: Solve for x
    x = 245,091,689,910.16/687,219.72
  6. Step 6: Final answer
    x = 356,642.40

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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.