Home / 894,165.09-1,341,838.53-420,985.77

Finding the Fourth Proportional to 894,165.09, 1,341,838.53 and 420,985.77

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Solution

The fourth proportional to 894,165.09, 1,341,838.53 and 420,985.77 is: 631,756.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,165.09 : 1,341,838.53 = 420,985.77 : x
  2. Step 2: Convert to fraction form
    894,165.09/1,341,838.53 = 420,985.77/x
  3. Step 3: Cross multiply
    894,165.09x = 1,341,838.53 × 420,985.77
  4. Step 4: Simplify right side
    894,165.09x = 564,894,926,767.72
  5. Step 5: Solve for x
    x = 564,894,926,767.72/894,165.09
  6. Step 6: Final answer
    x = 631,756.86

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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.