Home / 845,000.16-1,267,502.40-213,914.04

Finding the Fourth Proportional to 845,000.16, 1,267,502.40 and 213,914.04

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Solution

The fourth proportional to 845,000.16, 1,267,502.40 and 213,914.04 is: 320,871.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,000.16 : 1,267,502.40 = 213,914.04 : x
  2. Step 2: Convert to fraction form
    845,000.16/1,267,502.40 = 213,914.04/x
  3. Step 3: Cross multiply
    845,000.16x = 1,267,502.40 × 213,914.04
  4. Step 4: Simplify right side
    845,000.16x = 271,136,559,093.70
  5. Step 5: Solve for x
    x = 271,136,559,093.70/845,000.16
  6. Step 6: Final answer
    x = 320,871.61

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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.