Home / 687,325.52-1,031,742.47-546,078.74

Finding the Fourth Proportional to 687,325.52, 1,031,742.47 and 546,078.74

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Solution

The fourth proportional to 687,325.52, 1,031,742.47 and 546,078.74 is: 819,717.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,325.52 : 1,031,742.47 = 546,078.74 : x
  2. Step 2: Convert to fraction form
    687,325.52/1,031,742.47 = 546,078.74/x
  3. Step 3: Cross multiply
    687,325.52x = 1,031,742.47 × 546,078.74
  4. Step 4: Simplify right side
    687,325.52x = 563,412,624,228.57
  5. Step 5: Solve for x
    x = 563,412,624,228.57/687,325.52
  6. Step 6: Final answer
    x = 819,717.30

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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.