Home / 709,879.68-1,064,525.76-288,869.76

Finding the Fourth Proportional to 709,879.68, 1,064,525.76 and 288,869.76

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Solution

The fourth proportional to 709,879.68, 1,064,525.76 and 288,869.76 is: 433,185.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,879.68 : 1,064,525.76 = 288,869.76 : x
  2. Step 2: Convert to fraction form
    709,879.68/1,064,525.76 = 288,869.76/x
  3. Step 3: Cross multiply
    709,879.68x = 1,064,525.76 × 288,869.76
  4. Step 4: Simplify right side
    709,879.68x = 307,509,300,805.02
  5. Step 5: Solve for x
    x = 307,509,300,805.02/709,879.68
  6. Step 6: Final answer
    x = 433,185.10

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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.