Home / 894,166.09-1,341,840.03-420,986.77

Finding the Fourth Proportional to 894,166.09, 1,341,840.03 and 420,986.77

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Solution

The fourth proportional to 894,166.09, 1,341,840.03 and 420,986.77 is: 631,758.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,166.09 : 1,341,840.03 = 420,986.77 : x
  2. Step 2: Convert to fraction form
    894,166.09/1,341,840.03 = 420,986.77/x
  3. Step 3: Cross multiply
    894,166.09x = 1,341,840.03 × 420,986.77
  4. Step 4: Simplify right side
    894,166.09x = 564,896,900,086.40
  5. Step 5: Solve for x
    x = 564,896,900,086.40/894,166.09
  6. Step 6: Final answer
    x = 631,758.36

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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.