Home / 869,018.46-1,199,242.71-506,656.86

Finding the Fourth Proportional to 869,018.46, 1,199,242.71 and 506,656.86

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Solution

The fourth proportional to 869,018.46, 1,199,242.71 and 506,656.86 is: 699,184.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,018.46 : 1,199,242.71 = 506,656.86 : x
  2. Step 2: Convert to fraction form
    869,018.46/1,199,242.71 = 506,656.86/x
  3. Step 3: Cross multiply
    869,018.46x = 1,199,242.71 × 506,656.86
  4. Step 4: Simplify right side
    869,018.46x = 607,604,545,826.49
  5. Step 5: Solve for x
    x = 607,604,545,826.49/869,018.46
  6. Step 6: Final answer
    x = 699,184.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.