Home / 727,124.18-1,090,859.30-366,408.70

Finding the Fourth Proportional to 727,124.18, 1,090,859.30 and 366,408.70

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Solution

The fourth proportional to 727,124.18, 1,090,859.30 and 366,408.70 is: 549,700.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,124.18 : 1,090,859.30 = 366,408.70 : x
  2. Step 2: Convert to fraction form
    727,124.18/1,090,859.30 = 366,408.70/x
  3. Step 3: Cross multiply
    727,124.18x = 1,090,859.30 × 366,408.70
  4. Step 4: Simplify right side
    727,124.18x = 399,700,334,810.75
  5. Step 5: Solve for x
    x = 399,700,334,810.75/727,124.18
  6. Step 6: Final answer
    x = 549,700.24

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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.