Home / 710,457.18-1,066,106.07-261,493.38

Finding the Fourth Proportional to 710,457.18, 1,066,106.07 and 261,493.38

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Solution

The fourth proportional to 710,457.18, 1,066,106.07 and 261,493.38 is: 392,394.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,457.18 : 1,066,106.07 = 261,493.38 : x
  2. Step 2: Convert to fraction form
    710,457.18/1,066,106.07 = 261,493.38/x
  3. Step 3: Cross multiply
    710,457.18x = 1,066,106.07 × 261,493.38
  4. Step 4: Simplify right side
    710,457.18x = 278,779,679,682.82
  5. Step 5: Solve for x
    x = 278,779,679,682.82/710,457.18
  6. Step 6: Final answer
    x = 392,394.77

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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.