Home / 710,779.36-1,066,011.52-205,230.36

Finding the Fourth Proportional to 710,779.36, 1,066,011.52 and 205,230.36

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Solution

The fourth proportional to 710,779.36, 1,066,011.52 and 205,230.36 is: 307,800.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,779.36 : 1,066,011.52 = 205,230.36 : x
  2. Step 2: Convert to fraction form
    710,779.36/1,066,011.52 = 205,230.36/x
  3. Step 3: Cross multiply
    710,779.36x = 1,066,011.52 × 205,230.36
  4. Step 4: Simplify right side
    710,779.36x = 218,777,928,013.75
  5. Step 5: Solve for x
    x = 218,777,928,013.75/710,779.36
  6. Step 6: Final answer
    x = 307,800.06

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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.