Home / 710,005.80-1,065,008.70-336,757.80

Finding the Fourth Proportional to 710,005.80, 1,065,008.70 and 336,757.80

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Solution

The fourth proportional to 710,005.80, 1,065,008.70 and 336,757.80 is: 505,136.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,005.80 : 1,065,008.70 = 336,757.80 : x
  2. Step 2: Convert to fraction form
    710,005.80/1,065,008.70 = 336,757.80/x
  3. Step 3: Cross multiply
    710,005.80x = 1,065,008.70 × 336,757.80
  4. Step 4: Simplify right side
    710,005.80x = 358,649,986,792.86
  5. Step 5: Solve for x
    x = 358,649,986,792.86/710,005.80
  6. Step 6: Final answer
    x = 505,136.70

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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.