Home / 758,232.07-1,136,786.31-358,405.64

Finding the Fourth Proportional to 758,232.07, 1,136,786.31 and 358,405.64

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Solution

The fourth proportional to 758,232.07, 1,136,786.31 and 358,405.64 is: 537,342.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,232.07 : 1,136,786.31 = 358,405.64 : x
  2. Step 2: Convert to fraction form
    758,232.07/1,136,786.31 = 358,405.64/x
  3. Step 3: Cross multiply
    758,232.07x = 1,136,786.31 × 358,405.64
  4. Step 4: Simplify right side
    758,232.07x = 407,430,623,186.76
  5. Step 5: Solve for x
    x = 407,430,623,186.76/758,232.07
  6. Step 6: Final answer
    x = 537,342.91

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1.5x scale

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.