Home / 687,315.77-1,031,727.86-546,068.97

Finding the Fourth Proportional to 687,315.77, 1,031,727.86 and 546,068.97

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Solution

The fourth proportional to 687,315.77, 1,031,727.86 and 546,068.97 is: 819,702.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,315.77 : 1,031,727.86 = 546,068.97 : x
  2. Step 2: Convert to fraction form
    687,315.77/1,031,727.86 = 546,068.97/x
  3. Step 3: Cross multiply
    687,315.77x = 1,031,727.86 × 546,068.97
  4. Step 4: Simplify right side
    687,315.77x = 563,394,567,100.16
  5. Step 5: Solve for x
    x = 563,394,567,100.16/687,315.77
  6. Step 6: Final answer
    x = 819,702.67

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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.