Home / 707,303.07-1,060,314.75-257,918.81

Finding the Fourth Proportional to 707,303.07, 1,060,314.75 and 257,918.81

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Solution

The fourth proportional to 707,303.07, 1,060,314.75 and 257,918.81 is: 386,644.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,303.07 : 1,060,314.75 = 257,918.81 : x
  2. Step 2: Convert to fraction form
    707,303.07/1,060,314.75 = 257,918.81/x
  3. Step 3: Cross multiply
    707,303.07x = 1,060,314.75 × 257,918.81
  4. Step 4: Simplify right side
    707,303.07x = 273,475,117,255.85
  5. Step 5: Solve for x
    x = 273,475,117,255.85/707,303.07
  6. Step 6: Final answer
    x = 386,644.89

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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.