Home / 845,494.54-1,266,815.40-418,460.92

Finding the Fourth Proportional to 845,494.54, 1,266,815.40 and 418,460.92

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Solution

The fourth proportional to 845,494.54, 1,266,815.40 and 418,460.92 is: 626,985.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,494.54 : 1,266,815.40 = 418,460.92 : x
  2. Step 2: Convert to fraction form
    845,494.54/1,266,815.40 = 418,460.92/x
  3. Step 3: Cross multiply
    845,494.54x = 1,266,815.40 × 418,460.92
  4. Step 4: Simplify right side
    845,494.54x = 530,112,733,017.90
  5. Step 5: Solve for x
    x = 530,112,733,017.90/845,494.54
  6. Step 6: Final answer
    x = 626,985.40

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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.