Home / 710,332.86-1,065,919.67-261,369.01

Finding the Fourth Proportional to 710,332.86, 1,065,919.67 and 261,369.01

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Solution

The fourth proportional to 710,332.86, 1,065,919.67 and 261,369.01 is: 392,208.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,332.86 : 1,065,919.67 = 261,369.01 : x
  2. Step 2: Convert to fraction form
    710,332.86/1,065,919.67 = 261,369.01/x
  3. Step 3: Cross multiply
    710,332.86x = 1,065,919.67 × 261,369.01
  4. Step 4: Simplify right side
    710,332.86x = 278,598,368,641.85
  5. Step 5: Solve for x
    x = 278,598,368,641.85/710,332.86
  6. Step 6: Final answer
    x = 392,208.20

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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.