Home / 710,973.80-1,066,614.30-212,388.20

Finding the Fourth Proportional to 710,973.80, 1,066,614.30 and 212,388.20

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Solution

The fourth proportional to 710,973.80, 1,066,614.30 and 212,388.20 is: 318,628.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,973.80 : 1,066,614.30 = 212,388.20 : x
  2. Step 2: Convert to fraction form
    710,973.80/1,066,614.30 = 212,388.20/x
  3. Step 3: Cross multiply
    710,973.80x = 1,066,614.30 × 212,388.20
  4. Step 4: Simplify right side
    710,973.80x = 226,536,291,271.26
  5. Step 5: Solve for x
    x = 226,536,291,271.26/710,973.80
  6. Step 6: Final answer
    x = 318,628.18

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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.