Home / 710,699.81-1,065,732.94-205,140.59

Finding the Fourth Proportional to 710,699.81, 1,065,732.94 and 205,140.59

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Solution

The fourth proportional to 710,699.81, 1,065,732.94 and 205,140.59 is: 307,619.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,699.81 : 1,065,732.94 = 205,140.59 : x
  2. Step 2: Convert to fraction form
    710,699.81/1,065,732.94 = 205,140.59/x
  3. Step 3: Cross multiply
    710,699.81x = 1,065,732.94 × 205,140.59
  4. Step 4: Simplify right side
    710,699.81x = 218,625,083,018.29
  5. Step 5: Solve for x
    x = 218,625,083,018.29/710,699.81
  6. Step 6: Final answer
    x = 307,619.45

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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.