Home / 687,369.04-1,030,749.08-367,443.40

Finding the Fourth Proportional to 687,369.04, 1,030,749.08 and 367,443.40

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Solution

The fourth proportional to 687,369.04, 1,030,749.08 and 367,443.40 is: 551,002.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,369.04 : 1,030,749.08 = 367,443.40 : x
  2. Step 2: Convert to fraction form
    687,369.04/1,030,749.08 = 367,443.40/x
  3. Step 3: Cross multiply
    687,369.04x = 1,030,749.08 × 367,443.40
  4. Step 4: Simplify right side
    687,369.04x = 378,741,946,502.07
  5. Step 5: Solve for x
    x = 378,741,946,502.07/687,369.04
  6. Step 6: Final answer
    x = 551,002.34

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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.