Home / 687,002.55-1,030,212.23-332,125.35

Finding the Fourth Proportional to 687,002.55, 1,030,212.23 and 332,125.35

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Solution

The fourth proportional to 687,002.55, 1,030,212.23 and 332,125.35 is: 498,047.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,002.55 : 1,030,212.23 = 332,125.35 : x
  2. Step 2: Convert to fraction form
    687,002.55/1,030,212.23 = 332,125.35/x
  3. Step 3: Cross multiply
    687,002.55x = 1,030,212.23 × 332,125.35
  4. Step 4: Simplify right side
    687,002.55x = 342,159,595,802.40
  5. Step 5: Solve for x
    x = 342,159,595,802.40/687,002.55
  6. Step 6: Final answer
    x = 498,047.05

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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.