Home / 686,802.20-1,030,203.30-462,853.40

Finding the Fourth Proportional to 686,802.20, 1,030,203.30 and 462,853.40

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Solution

The fourth proportional to 686,802.20, 1,030,203.30 and 462,853.40 is: 694,280.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,802.20 : 1,030,203.30 = 462,853.40 : x
  2. Step 2: Convert to fraction form
    686,802.20/1,030,203.30 = 462,853.40/x
  3. Step 3: Cross multiply
    686,802.20x = 1,030,203.30 × 462,853.40
  4. Step 4: Simplify right side
    686,802.20x = 476,833,100,096.22
  5. Step 5: Solve for x
    x = 476,833,100,096.22/686,802.20
  6. Step 6: Final answer
    x = 694,280.10

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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.