Home / 847,860.80-1,271,402.40-374,302.40

Finding the Fourth Proportional to 847,860.80, 1,271,402.40 and 374,302.40

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Solution

The fourth proportional to 847,860.80, 1,271,402.40 and 374,302.40 is: 561,281.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,860.80 : 1,271,402.40 = 374,302.40 : x
  2. Step 2: Convert to fraction form
    847,860.80/1,271,402.40 = 374,302.40/x
  3. Step 3: Cross multiply
    847,860.80x = 1,271,402.40 × 374,302.40
  4. Step 4: Simplify right side
    847,860.80x = 475,888,969,685.76
  5. Step 5: Solve for x
    x = 475,888,969,685.76/847,860.80
  6. Step 6: Final answer
    x = 561,281.96

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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.