Home / 630,347.04-945,528.80-209,622.88

Finding the Fourth Proportional to 630,347.04, 945,528.80 and 209,622.88

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Solution

The fourth proportional to 630,347.04, 945,528.80 and 209,622.88 is: 314,437.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,347.04 : 945,528.80 = 209,622.88 : x
  2. Step 2: Convert to fraction form
    630,347.04/945,528.80 = 209,622.88/x
  3. Step 3: Cross multiply
    630,347.04x = 945,528.80 × 209,622.88
  4. Step 4: Simplify right side
    630,347.04x = 198,204,470,178.94
  5. Step 5: Solve for x
    x = 198,204,470,178.94/630,347.04
  6. Step 6: Final answer
    x = 314,437.06

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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.